diff --git a/dist/main.js b/dist/main.js
index e8a1d43..be13838 100644
--- a/dist/main.js
+++ b/dist/main.js
@@ -58,7 +58,7 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
 
-	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; };
+	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 	/**
 	 * Created by cheesu on 2015/8/17.
@@ -632,7 +632,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	        };
 	    },
 	    getUserAgent: function getUserAgent() {
-	        var userAgentString = this.props.options.userAgent;
+	        var userAgentString = this.props.options && this.props.options.userAgent;
 	        var navigatorIsAvailable = typeof navigator !== 'undefined';
 	        if (!navigatorIsAvailable && !userAgentString) {
 	            throw new Error('\`options.userAgent\` must be set rendering react-fileuploader in situations when \`navigator\` is not defined in the global namespace. (on the server, for example)');
@@ -762,8 +762,8 @@ return /******/ (function(modules) { // webpackBootstrap
 	                accept: this.accept,
 	                disabled: isDisabled
 	            };
-
-	            var input = React.createElement('input', _extends({ type: 'file', name: 'ajax_upload_hidden_input_' + i, id: 'ajax_upload_hidden_input_' + i,
+	            //EDIT file field name to use this.fileFieldName instead of `ajax_upload_hidden_input_${i}`
+	            var input = React.createElement('input', _extends({ type: 'file', name: this.fileFieldName, id: 'ajax_upload_hidden_input_' + i,
 	                ref: 'ajax_upload_hidden_input_' + i, onChange: this.IEChooseFile, onClick: this.IEBeforeChoose,
 	                style: style }, restAttrs));
 
diff --git a/dist/main.min.js b/dist/main.min.js
index e9c7309..519f384 100644
--- a/dist/main.min.js
+++ b/dist/main.min.js
@@ -1 +1 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("react")):"function"==typeof define&&define.amd?define(["react"],t):"object"==typeof exports?exports["react-fileupload"]=t(require("react")):e["react-fileupload"]=t(e.React)}(this,function(__WEBPACK_EXTERNAL_MODULE_1__){return function(e){function t(i){if(o[i])return o[i].exports;var a=o[i]={exports:{},id:i,loaded:!1};return e[i].call(a.exports,a,a.exports,t),a.loaded=!0,a.exports}var o={};return t.m=e,t.c=o,t.p="",t(0)}([function(module,exports,__webpack_require__){"use strict";var _extends=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var o=arguments[t];for(var i in o)Object.prototype.hasOwnProperty.call(o,i)&&(e[i]=o[i])}return e},_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol?"symbol":typeof e},React=__webpack_require__(1),emptyFunction=function(){},currentIEID=0,IEFormGroup=[!0],xhrList=[],currentXHRID=0,PT=React.PropTypes,FileUpload=React.createClass({displayName:"FileUpload",propTypes:{options:PT.shape({baseUrl:PT.string.isRequired,param:PT.oneOfType([PT.object,PT.func]),dataType:PT.string,chooseAndUpload:PT.bool,paramAddToField:PT.oneOfType([PT.object,PT.func]),wrapperDisplay:PT.string,timeout:PT.number,accept:PT.string,multiple:PT.bool,numberLimit:PT.oneOfType([PT.number,PT.func]),fileFieldName:PT.oneOfType([PT.string,PT.func]),withCredentials:PT.bool,requestHeaders:PT.object,tag:PT.string,userAgent:PT.string,disabledIEChoose:PT.oneOfType([PT.bool,PT.func]),_withoutFileUpload:PT.bool,filesToUpload:PT.arrayOf(PT.object),textBeforeFiles:PT.bool,beforeChoose:PT.func,chooseFile:PT.func,beforeUpload:PT.func,doUpload:PT.func,uploading:PT.func,uploadSuccess:PT.func,uploadError:PT.func,uploadFail:PT.func,onabort:PT.func}).isRequired,style:PT.object,className:PT.string},_updateProps:function(e){var t=this;this.isIE=!(this.checkIE()<0||this.checkIE()>=10);var o=e.options;this.baseUrl=o.baseUrl,this.param=o.param,this.chooseAndUpload=o.chooseAndUpload||!1,this.paramAddToField=o.paramAddToField||void 0,this.dataType="json",o.dataType&&"text"==o.dataType.toLowerCase()&&(this.dataType="text"),this.wrapperDisplay=o.wrapperDisplay||"inline-block",this.timeout="number"==typeof o.timeout&&o.timeout>0?o.timeout:0,this.accept=o.accept||"",this.multiple=o.multiple||!1,this.numberLimit=o.numberLimit||!1,this.fileFieldName=o.fileFieldName||!1,this.withCredentials=o.withCredentials||!1,this.requestHeaders=o.requestHeaders||!1,this.beforeChoose=o.beforeChoose||emptyFunction,this.chooseFile=o.chooseFile||emptyFunction,this.beforeUpload=o.beforeUpload||emptyFunction,this.doUpload=o.doUpload||emptyFunction,this.uploading=o.uploading||emptyFunction,this.uploadSuccess=o.uploadSuccess||emptyFunction,this.uploadError=o.uploadError||emptyFunction,this.uploadFail=o.uploadFail||emptyFunction,this.onabort=o.onabort||emptyFunction,this.files=o.files||this.files||!1,this.disabledIEChoose=o.disabledIEChoose||!1,this._withoutFileUpload=o._withoutFileUpload||!1,this.filesToUpload=o.filesToUpload||[],this.textBeforeFiles=o.textBeforeFiles||!1,this.filesToUpload.length&&!this.isIE&&this.filesToUpload.forEach(function(e){t.files=[e],t.commonUpload()});var i=void 0,a=void 0,s=0,r=[],n=[],l=[];this.chooseAndUpload?React.Children.forEach(e.children,function(e){e&&"chooseAndUpload"==e.ref?(i=e,s++):0==s?r.push(e):1==s?n.push(e):""}):React.Children.forEach(e.children,function(e){e&&"chooseBtn"==e.ref?(i=e,s++):e&&"uploadBtn"==e.ref?(a=e,s++):0==s?r.push(e):1==s?n.push(e):l.push(e)}),this.setState({chooseBtn:i,uploadBtn:a,before:r,middle:n,after:l})},commonChooseFile:function(){var e=this.beforeChoose();1!=e&&void 0!=e||this.refs.ajax_upload_file_input.click()},commonChange:function(e){var t=void 0;e.dataTransfer?t=e.dataTransfer.files:e.target?t=e.target.files:"";var o="function"==typeof this.numberLimit?this.numberLimit():this.numberLimit;if(this.multiple&&o&&t.length>o){for(var i={},a=0;a<o;a++)i[a]=t[a];i.length=o,t=i}this.files=t,this.chooseFile(t),this.chooseAndUpload&&this.commonUpload()},commonUpload:function(){var e=this,t=this.files.length&&this.files[0].mill||(new Date).getTime(),o=this.beforeUpload(this.files,t);if(1!=o&&void 0!=o&&"object"!=("undefined"==typeof o?"undefined":_typeof(o)))return void(this.refs.ajax_upload_file_input.value="");if(this.files){if(!this.baseUrl)throw new Error("baseUrl missing in options");var i={},a=new FormData;this.textBeforeFiles&&(a=this.appendFieldsToFormData(a)),this._withoutFileUpload||!function(){var t=_typeof(e.fileFieldName);Object.keys(e.files).forEach(function(o){if("length"!=o)if("function"==t){var i=e.files[o],s=e.fileFieldName(i);a.append(s,i)}else if("string"==t){var r=e.files[o];a.append(e.fileFieldName,r)}else{var n=e.files[o];a.append(n.name,n)}})}(),this.textBeforeFiles||(a=this.appendFieldsToFormData(a));var s=this.baseUrl,r="function"==typeof this.param?this.param(this.files):this.param,n="";r&&!function(){var e=[];r._=t,Object.keys(r).forEach(function(t){return e.push(t+"="+r[t])}),n="?"+e.join("&")}();var l=s+n,p=new XMLHttpRequest;p.open("POST",l,!0),p.withCredentials=this.withCredentials;var d=this.requestHeaders;d&&Object.keys(d).forEach(function(e){return p.setRequestHeader(e,d[e])}),this.timeout&&(p.timeout=this.timeout,p.ontimeout=function(){e.uploadError({type:"TIMEOUTERROR",message:"timeout"}),i.isTimeout=!1},i.isTimeout=!1,setTimeout(function(){i.isTimeout=!0},this.timeout)),p.onreadystatechange=function(){try{if(4==p.readyState&&p.status>=200&&p.status<400){var t="json"==e.dataType?JSON.parse(p.responseText):p.responseText;e.uploadSuccess(t)}else if(4==p.readyState){var o="json"==e.dataType?JSON.parse(p.responseText):p.responseText;e.uploadFail(o)}}catch(a){!i.isTimeout&&e.uploadError({type:"FINISHERROR",message:a.message})}},p.onerror=function(){try{var t="json"==e.dataType?JSON.parse(p.responseText):p.responseText;e.uploadError({type:"XHRERROR",message:t})}catch(o){e.uploadError({type:"XHRERROR",message:o.message})}},p.onprogress=p.upload.onprogress=function(o){e.uploading(o,t)},this._withoutFileUpload?p.send(null):p.send(a),xhrList.push(p);var u=xhrList.length-1;currentXHRID=u,p.onabort=function(){return e.onabort(t,u)},this.doUpload(this.files,t,currentXHRID),this.refs.ajax_upload_file_input.value=""}},appendFieldsToFormData:function(e){var t="function"==typeof this.paramAddToField?this.paramAddToField():this.paramAddToField;return t&&Object.keys(t).map(function(o){return e.append(o,t[o])}),e},IEBeforeChoose:function(e){var t=this.beforeChoose();1!=t&&void 0!=t&&e.preventDefault()},IEChooseFile:function(e){this.fileName=e.target.value.substring(e.target.value.lastIndexOf("\\")+1),this.chooseFile(this.fileName),this.chooseAndUpload&&this.IEUpload()!==!1&&document.getElementById("ajax_upload_file_form_"+this.IETag+currentIEID).submit(),e.target.blur()},IEUpload:function(e){function t(){clearInterval(m);try{s.uploadSuccess(s.IECallback(s.dataType,_))}catch(e){s.uploadError(e)}finally{var t=document.getElementById("ajax_upload_hidden_input_"+s.IETag+_);t.outerHTML=t.outerHTML}}var o=this,i=(new Date).getTime(),a=this.beforeUpload(this.fileName,i);if(!this.fileName||1!=a&&void 0!=a)return e&&e.preventDefault(),!1;var s=this,r=this.baseUrl,n="function"==typeof this.param?this.param(this.fileName):this.param,l="";if(n){var p=[];n._=i,void 0===n.ie&&(n.ie="true");for(var d in n)void 0!=n[d]&&p.push(d+"="+n[d]);l="?"+p.join("&")}var u=r+l;document.getElementById("ajax_upload_file_form_"+this.IETag+currentIEID).setAttribute("action",u);var c=this.fakeProgress(),h=0,f=0,m=setInterval(function(){h=c(h),o.uploading({loaded:h,total:100},i),++f>=150&&clearInterval(m)},200),_=currentIEID;window.attachEvent?document.getElementById("ajax_upload_file_frame_"+this.IETag+_).attachEvent("onload",t):document.getElementById("ajax_upload_file_frame_"+this.IETag+_).addEventListener("load",t),this.doUpload(this.fileName,i),IEFormGroup[currentIEID]=!1},IECallback:function IECallback(dataType,frameId){IEFormGroup[frameId]=!0;var frame=document.getElementById("ajax_upload_file_frame_"+this.IETag+frameId),resp={},content=frame.contentWindow?frame.contentWindow.document.body:frame.contentDocument.document.body;if(!content)throw new Error("Your browser does not support async upload");try{resp.responseText=content.innerHTML||"null innerHTML",resp.json=JSON?JSON.parse(resp.responseText):eval("("+resp.responseText+")")}catch(e){if(e.message&&e.message.indexOf("Unexpected token")>=0){if(resp.responseText.indexOf("{")>=0){var msg=resp.responseText.substring(resp.responseText.indexOf("{"),resp.responseText.lastIndexOf("}")+1);return JSON?JSON.parse(msg):eval("("+msg+")")}return{type:"FINISHERROR",message:e.message}}throw e}return"json"==dataType?resp.json:resp.responseText},forwardChoose:function(){return!this.isIE&&void this.commonChooseFile()},fowardRemoveFile:function(e){this.files=e(this.files)},filesToUpload:function(e){this.isIE||(this.files=e,this.commonUpload())},abort:function(e){void 0===e?xhrList[currentXHRID].abort():xhrList[e].abort()},checkIE:function(){var e=this.userAgent,t=e.indexOf("MSIE");return t<0?-1:parseFloat(e.substring(t+5,e.indexOf(";",t)))},fakeProgress:function(){var e=6,t=.3,o=98,i=.2;return function(a){var s=a;return s>=o?s:(s+=e,e-=t,e<i&&(e=i),s)}},getUserAgent:function(){var e=this.props.options.userAgent,t="undefined"!=typeof navigator;if(!t&&!e)throw new Error("`options.userAgent` must be set rendering react-fileuploader in situations when `navigator` is not defined in the global namespace. (on the server, for example)");return t?navigator.userAgent:e},getInitialState:function(){return{chooseBtn:{},uploadBtn:{},before:[],middle:[],after:[]}},componentWillMount:function(){this.userAgent=this.getUserAgent(),this.isIE=!(this.checkIE()<0||this.checkIE()>=10);var e=this.props.options&&this.props.options.tag;this.IETag=e?e+"_":"",this._updateProps(this.props)},componentDidMount:function(){},componentWillReceiveProps:function(e){this._updateProps(e)},render:function(){return this._packRender()},_packRender:function(){var e="";if(this.isIE)e=this._multiIEForm();else{var t={accept:this.accept,multiple:this.multiple};e=React.createElement("div",{className:this.props.className,style:this.props.style},this.state.before,React.createElement("div",{onClick:this.commonChooseFile,style:{overflow:"hidden",postion:"relative",display:this.wrapperDisplay}},this.state.chooseBtn),this.state.middle,React.createElement("div",{onClick:this.commonUpload,style:{overflow:"hidden",postion:"relative",display:this.chooseAndUpload?"none":this.wrapperDisplay}},this.state.uploadBtn),this.state.after,React.createElement("input",_extends({type:"file",name:"ajax_upload_file_input",ref:"ajax_upload_file_input",style:{display:"none"},onChange:this.commonChange},t)))}return e},_multiIEForm:function(){function e(e,t){if(!IEFormGroup[t]||!o){var a=IEFormGroup[t],s={position:"absolute",left:"-30px",top:0,zIndex:"50",fontSize:"80px",width:"200px",opacity:0,filter:"alpha(opacity=0)"},r={accept:this.accept,disabled:i},n=React.createElement("input",_extends({type:"file",name:"ajax_upload_hidden_input_"+t,id:"ajax_upload_hidden_input_"+t,ref:"ajax_upload_hidden_input_"+t,onChange:this.IEChooseFile,onClick:this.IEBeforeChoose,style:s},r));t=""+this.IETag+t,e.push(React.createElement("form",{id:"ajax_upload_file_form_"+t,method:"post",target:"ajax_upload_file_frame_"+t,key:"ajax_upload_file_form_"+t,encType:"multipart/form-data",ref:"form_"+t,onSubmit:this.IEUpload,style:{display:a?"block":"none"}},this.state.before,React.createElement("div",{style:{overflow:"hidden",position:"relative",display:"inline-block"}},this.state.chooseBtn,n),this.state.middle,React.createElement("div",{style:{overflow:"hidden",position:"relative",display:this.chooseAndUpload?"none":this.wrapperDisplay}},this.state.uploadBtn,React.createElement("input",{type:"submit",style:{position:"absolute",left:0,top:0,fontSize:"50px",width:"200px",opacity:0}})),this.state.after)),e.push(React.createElement("iframe",{id:"ajax_upload_file_frame_"+t,name:"ajax_upload_file_frame_"+t,key:"ajax_upload_file_frame_"+t,className:"ajax_upload_file_frame",style:{display:"none",width:0,height:0,margin:0,border:0}}))}}for(var t=[],o=!1,i="function"==typeof this.disabledIEChoose?this.disabledIEChoose():this.disabledIEChoose,a=0;a<IEFormGroup.length;a++)e.call(this,t,a),IEFormGroup[a]&&!o&&(o=!0,currentIEID=a),a==IEFormGroup.length-1&&!o&&IEFormGroup.push(!0);return React.createElement("div",{className:this.props.className,style:this.props.style,id:"react-file-uploader"},t)}});module.exports=FileUpload},function(e,t){e.exports=__WEBPACK_EXTERNAL_MODULE_1__}])});
\ No newline at end of file
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("react")):"function"==typeof define&&define.amd?define(["react"],t):"object"==typeof exports?exports["react-fileupload"]=t(require("react")):e["react-fileupload"]=t(e.React)}(this,function(__WEBPACK_EXTERNAL_MODULE_1__){return function(e){function t(i){if(o[i])return o[i].exports;var a=o[i]={exports:{},id:i,loaded:!1};return e[i].call(a.exports,a,a.exports,t),a.loaded=!0,a.exports}var o={};return t.m=e,t.c=o,t.p="",t(0)}([function(module,exports,__webpack_require__){"use strict";var _extends=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var o=arguments[t];for(var i in o)Object.prototype.hasOwnProperty.call(o,i)&&(e[i]=o[i])}return e},_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},React=__webpack_require__(1),emptyFunction=function(){},currentIEID=0,IEFormGroup=[!0],xhrList=[],currentXHRID=0,PT=React.PropTypes,FileUpload=React.createClass({displayName:"FileUpload",propTypes:{options:PT.shape({baseUrl:PT.string.isRequired,param:PT.oneOfType([PT.object,PT.func]),dataType:PT.string,chooseAndUpload:PT.bool,paramAddToField:PT.oneOfType([PT.object,PT.func]),wrapperDisplay:PT.string,timeout:PT.number,accept:PT.string,multiple:PT.bool,numberLimit:PT.oneOfType([PT.number,PT.func]),fileFieldName:PT.oneOfType([PT.string,PT.func]),withCredentials:PT.bool,requestHeaders:PT.object,tag:PT.string,userAgent:PT.string,disabledIEChoose:PT.oneOfType([PT.bool,PT.func]),_withoutFileUpload:PT.bool,filesToUpload:PT.arrayOf(PT.object),textBeforeFiles:PT.bool,beforeChoose:PT.func,chooseFile:PT.func,beforeUpload:PT.func,doUpload:PT.func,uploading:PT.func,uploadSuccess:PT.func,uploadError:PT.func,uploadFail:PT.func,onabort:PT.func}).isRequired,style:PT.object,className:PT.string},_updateProps:function(e){var t=this;this.isIE=!(this.checkIE()<0||this.checkIE()>=10);var o=e.options;this.baseUrl=o.baseUrl,this.param=o.param,this.chooseAndUpload=o.chooseAndUpload||!1,this.paramAddToField=o.paramAddToField||void 0,this.dataType="json",o.dataType&&"text"==o.dataType.toLowerCase()&&(this.dataType="text"),this.wrapperDisplay=o.wrapperDisplay||"inline-block",this.timeout="number"==typeof o.timeout&&o.timeout>0?o.timeout:0,this.accept=o.accept||"",this.multiple=o.multiple||!1,this.numberLimit=o.numberLimit||!1,this.fileFieldName=o.fileFieldName||!1,this.withCredentials=o.withCredentials||!1,this.requestHeaders=o.requestHeaders||!1,this.beforeChoose=o.beforeChoose||emptyFunction,this.chooseFile=o.chooseFile||emptyFunction,this.beforeUpload=o.beforeUpload||emptyFunction,this.doUpload=o.doUpload||emptyFunction,this.uploading=o.uploading||emptyFunction,this.uploadSuccess=o.uploadSuccess||emptyFunction,this.uploadError=o.uploadError||emptyFunction,this.uploadFail=o.uploadFail||emptyFunction,this.onabort=o.onabort||emptyFunction,this.files=o.files||this.files||!1,this.disabledIEChoose=o.disabledIEChoose||!1,this._withoutFileUpload=o._withoutFileUpload||!1,this.filesToUpload=o.filesToUpload||[],this.textBeforeFiles=o.textBeforeFiles||!1,this.filesToUpload.length&&!this.isIE&&this.filesToUpload.forEach(function(e){t.files=[e],t.commonUpload()});var i=void 0,a=void 0,s=0,r=[],n=[],l=[];this.chooseAndUpload?React.Children.forEach(e.children,function(e){e&&"chooseAndUpload"==e.ref?(i=e,s++):0==s?r.push(e):1==s?n.push(e):""}):React.Children.forEach(e.children,function(e){e&&"chooseBtn"==e.ref?(i=e,s++):e&&"uploadBtn"==e.ref?(a=e,s++):0==s?r.push(e):1==s?n.push(e):l.push(e)}),this.setState({chooseBtn:i,uploadBtn:a,before:r,middle:n,after:l})},commonChooseFile:function(){var e=this.beforeChoose();1!=e&&void 0!=e||this.refs.ajax_upload_file_input.click()},commonChange:function(e){var t=void 0;e.dataTransfer?t=e.dataTransfer.files:e.target?t=e.target.files:"";var o="function"==typeof this.numberLimit?this.numberLimit():this.numberLimit;if(this.multiple&&o&&t.length>o){for(var i={},a=0;a<o;a++)i[a]=t[a];i.length=o,t=i}this.files=t,this.chooseFile(t),this.chooseAndUpload&&this.commonUpload()},commonUpload:function(){var e=this,t=this.files.length&&this.files[0].mill||(new Date).getTime(),o=this.beforeUpload(this.files,t);if(1!=o&&void 0!=o&&"object"!=("undefined"==typeof o?"undefined":_typeof(o)))return void(this.refs.ajax_upload_file_input.value="");if(this.files){if(!this.baseUrl)throw new Error("baseUrl missing in options");var i={},a=new FormData;this.textBeforeFiles&&(a=this.appendFieldsToFormData(a)),this._withoutFileUpload||!function(){var t=_typeof(e.fileFieldName);Object.keys(e.files).forEach(function(o){if("length"!=o)if("function"==t){var i=e.files[o],s=e.fileFieldName(i);a.append(s,i)}else if("string"==t){var r=e.files[o];a.append(e.fileFieldName,r)}else{var n=e.files[o];a.append(n.name,n)}})}(),this.textBeforeFiles||(a=this.appendFieldsToFormData(a));var s=this.baseUrl,r="function"==typeof this.param?this.param(this.files):this.param,n="";r&&!function(){var e=[];r._=t,Object.keys(r).forEach(function(t){return e.push(t+"="+r[t])}),n="?"+e.join("&")}();var l=s+n,p=new XMLHttpRequest;p.open("POST",l,!0),p.withCredentials=this.withCredentials;var d=this.requestHeaders;d&&Object.keys(d).forEach(function(e){return p.setRequestHeader(e,d[e])}),this.timeout&&(p.timeout=this.timeout,p.ontimeout=function(){e.uploadError({type:"TIMEOUTERROR",message:"timeout"}),i.isTimeout=!1},i.isTimeout=!1,setTimeout(function(){i.isTimeout=!0},this.timeout)),p.onreadystatechange=function(){try{if(4==p.readyState&&p.status>=200&&p.status<400){var t="json"==e.dataType?JSON.parse(p.responseText):p.responseText;e.uploadSuccess(t)}else if(4==p.readyState){var o="json"==e.dataType?JSON.parse(p.responseText):p.responseText;e.uploadFail(o)}}catch(t){!i.isTimeout&&e.uploadError({type:"FINISHERROR",message:t.message})}},p.onerror=function(){try{var t="json"==e.dataType?JSON.parse(p.responseText):p.responseText;e.uploadError({type:"XHRERROR",message:t})}catch(t){e.uploadError({type:"XHRERROR",message:t.message})}},p.onprogress=p.upload.onprogress=function(o){e.uploading(o,t)},this._withoutFileUpload?p.send(null):p.send(a),xhrList.push(p);var u=xhrList.length-1;currentXHRID=u,p.onabort=function(){return e.onabort(t,u)},this.doUpload(this.files,t,currentXHRID),this.refs.ajax_upload_file_input.value=""}},appendFieldsToFormData:function(e){var t="function"==typeof this.paramAddToField?this.paramAddToField():this.paramAddToField;return t&&Object.keys(t).map(function(o){return e.append(o,t[o])}),e},IEBeforeChoose:function(e){var t=this.beforeChoose();1!=t&&void 0!=t&&e.preventDefault()},IEChooseFile:function(e){this.fileName=e.target.value.substring(e.target.value.lastIndexOf("\\")+1),this.chooseFile(this.fileName),this.chooseAndUpload&&this.IEUpload()!==!1&&document.getElementById("ajax_upload_file_form_"+this.IETag+currentIEID).submit(),e.target.blur()},IEUpload:function(e){function t(){clearInterval(m);try{s.uploadSuccess(s.IECallback(s.dataType,y))}catch(e){s.uploadError(e)}finally{var e=document.getElementById("ajax_upload_hidden_input_"+s.IETag+y);e.outerHTML=e.outerHTML}}var o=this,i=(new Date).getTime(),a=this.beforeUpload(this.fileName,i);if(!this.fileName||1!=a&&void 0!=a)return e&&e.preventDefault(),!1;var s=this,r=this.baseUrl,n="function"==typeof this.param?this.param(this.fileName):this.param,l="";if(n){var p=[];n._=i,void 0===n.ie&&(n.ie="true");for(var d in n)void 0!=n[d]&&p.push(d+"="+n[d]);l="?"+p.join("&")}var u=r+l;document.getElementById("ajax_upload_file_form_"+this.IETag+currentIEID).setAttribute("action",u);var c=this.fakeProgress(),h=0,f=0,m=setInterval(function(){h=c(h),o.uploading({loaded:h,total:100},i),++f>=150&&clearInterval(m)},200),y=currentIEID;window.attachEvent?document.getElementById("ajax_upload_file_frame_"+this.IETag+y).attachEvent("onload",t):document.getElementById("ajax_upload_file_frame_"+this.IETag+y).addEventListener("load",t),this.doUpload(this.fileName,i),IEFormGroup[currentIEID]=!1},IECallback:function IECallback(dataType,frameId){IEFormGroup[frameId]=!0;var frame=document.getElementById("ajax_upload_file_frame_"+this.IETag+frameId),resp={},content=frame.contentWindow?frame.contentWindow.document.body:frame.contentDocument.document.body;if(!content)throw new Error("Your browser does not support async upload");try{resp.responseText=content.innerHTML||"null innerHTML",resp.json=JSON?JSON.parse(resp.responseText):eval("("+resp.responseText+")")}catch(e){if(e.message&&e.message.indexOf("Unexpected token")>=0){if(resp.responseText.indexOf("{")>=0){var msg=resp.responseText.substring(resp.responseText.indexOf("{"),resp.responseText.lastIndexOf("}")+1);return JSON?JSON.parse(msg):eval("("+msg+")")}return{type:"FINISHERROR",message:e.message}}throw e}return"json"==dataType?resp.json:resp.responseText},forwardChoose:function(){return!this.isIE&&void this.commonChooseFile()},fowardRemoveFile:function(e){this.files=e(this.files)},filesToUpload:function(e){this.isIE||(this.files=e,this.commonUpload())},abort:function(e){void 0===e?xhrList[currentXHRID].abort():xhrList[e].abort()},checkIE:function(){var e=this.userAgent,t=e.indexOf("MSIE");return t<0?-1:parseFloat(e.substring(t+5,e.indexOf(";",t)))},fakeProgress:function(){var e=6,t=.3,o=98,i=.2;return function(a){var s=a;return s>=o?s:(s+=e,e-=t,e<i&&(e=i),s)}},getUserAgent:function(){var e=this.props.options&&this.props.options.userAgent,t="undefined"!=typeof navigator;if(!t&&!e)throw new Error("`options.userAgent` must be set rendering react-fileuploader in situations when `navigator` is not defined in the global namespace. (on the server, for example)");return t?navigator.userAgent:e},getInitialState:function(){return{chooseBtn:{},uploadBtn:{},before:[],middle:[],after:[]}},componentWillMount:function(){this.userAgent=this.getUserAgent(),this.isIE=!(this.checkIE()<0||this.checkIE()>=10);var e=this.props.options&&this.props.options.tag;this.IETag=e?e+"_":"",this._updateProps(this.props)},componentDidMount:function(){},componentWillReceiveProps:function(e){this._updateProps(e)},render:function(){return this._packRender()},_packRender:function(){var e="";if(this.isIE)e=this._multiIEForm();else{var t={accept:this.accept,multiple:this.multiple};e=React.createElement("div",{className:this.props.className,style:this.props.style},this.state.before,React.createElement("div",{onClick:this.commonChooseFile,style:{overflow:"hidden",postion:"relative",display:this.wrapperDisplay}},this.state.chooseBtn),this.state.middle,React.createElement("div",{onClick:this.commonUpload,style:{overflow:"hidden",postion:"relative",display:this.chooseAndUpload?"none":this.wrapperDisplay}},this.state.uploadBtn),this.state.after,React.createElement("input",_extends({type:"file",name:"ajax_upload_file_input",ref:"ajax_upload_file_input",style:{display:"none"},onChange:this.commonChange},t)))}return e},_multiIEForm:function(){function e(e,t){if(!IEFormGroup[t]||!o){var a=IEFormGroup[t],s={position:"absolute",left:"-30px",top:0,zIndex:"50",fontSize:"80px",width:"200px",opacity:0,filter:"alpha(opacity=0)"},r={accept:this.accept,disabled:i},n=React.createElement("input",_extends({type:"file",name:this.fileFieldName,id:"ajax_upload_hidden_input_"+t,ref:"ajax_upload_hidden_input_"+t,onChange:this.IEChooseFile,onClick:this.IEBeforeChoose,style:s},r));t=""+this.IETag+t,e.push(React.createElement("form",{id:"ajax_upload_file_form_"+t,method:"post",target:"ajax_upload_file_frame_"+t,key:"ajax_upload_file_form_"+t,encType:"multipart/form-data",ref:"form_"+t,onSubmit:this.IEUpload,style:{display:a?"block":"none"}},this.state.before,React.createElement("div",{style:{overflow:"hidden",position:"relative",display:"inline-block"}},this.state.chooseBtn,n),this.state.middle,React.createElement("div",{style:{overflow:"hidden",position:"relative",display:this.chooseAndUpload?"none":this.wrapperDisplay}},this.state.uploadBtn,React.createElement("input",{type:"submit",style:{position:"absolute",left:0,top:0,fontSize:"50px",width:"200px",opacity:0}})),this.state.after)),e.push(React.createElement("iframe",{id:"ajax_upload_file_frame_"+t,name:"ajax_upload_file_frame_"+t,key:"ajax_upload_file_frame_"+t,className:"ajax_upload_file_frame",style:{display:"none",width:0,height:0,margin:0,border:0}}))}}for(var t=[],o=!1,i="function"==typeof this.disabledIEChoose?this.disabledIEChoose():this.disabledIEChoose,a=0;a<IEFormGroup.length;a++)e.call(this,t,a),IEFormGroup[a]&&!o&&(o=!0,currentIEID=a),a==IEFormGroup.length-1&&!o&&IEFormGroup.push(!0);return React.createElement("div",{className:this.props.className,style:this.props.style,id:"react-file-uploader"},t)}});module.exports=FileUpload},function(e,t){e.exports=__WEBPACK_EXTERNAL_MODULE_1__}])});
\ No newline at end of file
diff --git a/src/FileUpload.js b/src/FileUpload.js
index 7c9b192..ef293e4 100644
--- a/src/FileUpload.js
+++ b/src/FileUpload.js
@@ -686,9 +686,9 @@ const FileUpload = React.createClass({
                 accept: this.accept,
                 disabled: isDisabled
             }
-
+            //EDIT file field name to use this.fileFieldName instead of `ajax_upload_hidden_input_${i}`
             const input =
-                <input type="file" name={`ajax_upload_hidden_input_${i}`} id={`ajax_upload_hidden_input_${i}`}
+                <input type="file" name={this.fileFieldName} id={`ajax_upload_hidden_input_${i}`}
                     ref={`ajax_upload_hidden_input_${i}`} onChange={this.IEChooseFile} onClick={this.IEBeforeChoose}
                     style={style} {...restAttrs}
                 />