diff --git a/packages/react-app/src/rarible/EIP712.js b/packages/react-app/src/rarible/EIP712.js
index 0b8d1ad98..a80021a1d 100644
--- a/packages/react-app/src/rarible/EIP712.js
+++ b/packages/react-app/src/rarible/EIP712.js
@@ -20,9 +20,7 @@ const DOMAIN_TYPE = [
 module.exports = {
   createTypeData: function (domainData, primaryType, message, types) {
     return {
-      types: Object.assign({
-        EIP712Domain: DOMAIN_TYPE,
-      }, types),
+      types: types,
       domain: domainData,
       primaryType: primaryType,
       message: message
@@ -44,4 +42,4 @@ module.exports = {
       s,
     };
   }
-};
\ No newline at end of file
+};