diff --git a/app/index.html b/app/index.html
index 81180340..d5697005 100644
--- a/app/index.html
+++ b/app/index.html
@@ -43,12 +43,12 @@
   <script type="text/javascript" src="vendor/ui-bootstrap/ui-bootstrap-custom-tpls-0.7.0.js?2"></script>
 
   <script type="text/javascript" src="vendor/jsbn/jsbn_combined.js"></script>
-  <script type="text/javascript" src="vendor/cryptoJS/crypto.js"></script>
+  <script type="text/javascript" src="vendor/cryptoJS/crypto.js?1"></script>
   <script type="text/javascript" src="vendor/zlib/gunzip.min.js"></script>
 
 
   <script type="text/javascript" src="js/lib/config.js"></script>
-  <script type="text/javascript" src="js/lib/mtproto.js?15"></script>
+  <script type="text/javascript" src="js/lib/mtproto.js?16"></script>
 
   <script type="text/javascript" src="js/util.js"></script>
   <script type="text/javascript" src="js/app.js?5"></script>
diff --git a/app/js/lib/aes_worker.js b/app/js/lib/aes_worker.js
index 974b9ab6..09f127b7 100644
--- a/app/js/lib/aes_worker.js
+++ b/app/js/lib/aes_worker.js
@@ -9,7 +9,7 @@ importScripts(
   '../../vendor/console-polyfill/console-polyfill.js?1',
   'mtproto.js',
   '../../vendor/jsbn/jsbn_combined.js',
-  '../../vendor/cryptoJS/crypto.js'
+  '../../vendor/cryptoJS/crypto.js?1'
 );
 
 onmessage = function (e) {
diff --git a/app/js/lib/mtproto.js b/app/js/lib/mtproto.js
index 258f120b..1e929df1 100644
--- a/app/js/lib/mtproto.js
+++ b/app/js/lib/mtproto.js
@@ -1131,7 +1131,7 @@ factory('MtpAuthorizer', function (MtpDcConfigurator, MtpRsaKeysManager, MtpSecu
           mtpSendReqDhParams(auth);
         };
         worker.onerror = function(error) {
-          console.log('Worker error', error);
+          console.log('Worker error', error, error.stack);
           deferred.reject(error);
         };
         worker.postMessage(auth.pq)
@@ -1417,7 +1417,7 @@ factory('MtpAesService', function ($q) {
     };
   }
 
-  var worker = new Worker('js/lib/aes_worker.js?1'),
+  var worker = new Worker('js/lib/aes_worker.js?2'),
       taskID = 0,
       awaiting = {};
 
@@ -1430,7 +1430,7 @@ factory('MtpAesService', function ($q) {
     // console.log('AES worker message', e.data, deferred);
   };
   worker.onerror = function(error) {
-    console.log('AES Worker error', error);
+    console.log('AES Worker error', error, error.stack);
   };
 
   return {
@@ -1469,7 +1469,7 @@ factory('MtpSha1Service', function ($q) {
     };
   }
 
-  var worker = new Worker('js/lib/sha1_worker.js?1'),
+  var worker = new Worker('js/lib/sha1_worker.js?2'),
       taskID = 0,
       awaiting = {};
 
@@ -1482,7 +1482,7 @@ factory('MtpSha1Service', function ($q) {
     // console.log('sha1 got message', e.data, deferred);
   };
   worker.onerror = function(error) {
-    console.log('SHA-1 Worker error', error);
+    console.log('SHA-1 Worker error', error, error.stack);
   };
 
   return {
diff --git a/app/js/lib/sha1_worker.js b/app/js/lib/sha1_worker.js
index 809dd0cb..9537471f 100644
--- a/app/js/lib/sha1_worker.js
+++ b/app/js/lib/sha1_worker.js
@@ -8,7 +8,7 @@
 importScripts(
   '../../vendor/console-polyfill/console-polyfill.js?1',
   'mtproto.js',
-  '../../vendor/cryptoJS/crypto.js'
+  '../../vendor/cryptoJS/crypto.js?1'
 );
 
 onmessage = function (e) {
diff --git a/app/vendor/cryptoJS/crypto.js b/app/vendor/cryptoJS/crypto.js
index 61d792b2..2f6997fa 100644
--- a/app/vendor/cryptoJS/crypto.js
+++ b/app/vendor/cryptoJS/crypto.js
@@ -223,7 +223,12 @@ var CryptoJS = CryptoJS || (function (Math, undefined) {
                 }
             } else {
                 // Copy all words at once
-                thisWords.push.apply(thisWords, thatWords);
+                // thisWords.push.apply(thisWords, thatWords);
+
+                // HOTFIX from: https://code.google.com/p/crypto-js/issues/detail?id=90
+                for (var i = 0; i < thatWords.length; i++) {
+                  thisWords.push(thatWords[i]);
+                }
             }
             this.sigBytes += thatSigBytes;