diff --git a/lib/index.js b/lib/index.js
index 495af19..8a17a33 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -141,7 +141,7 @@ class Cryptomus {
      */
     makeSignatue(data, key) {
         const signatue = (0, crypto_1.createHash)('md5')
-            .update(Buffer.from(JSON.stringify(data).replace(/\//g, '\\/')).toString('base64') + key)
+            .update(Buffer.from(JSON.stringify(data)).toString('base64') + key)
             .digest('hex');
         return signatue;
     }
diff --git a/src/index.ts b/src/index.ts
index eecc9fe..3cac789 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -150,7 +150,7 @@ export class Cryptomus {
         const signatue = createHash( 'md5' )
             .update(
                 Buffer.from(
-                    JSON.stringify( data ).replace( /\//g, '\\/' ),
+                    JSON.stringify( data ),
                 ).toString( 'base64' ) + key,
             )
             .digest( 'hex' );