diff --git a/src/popup/app/accounts/accountsRegisterController.js b/src/popup/app/accounts/accountsRegisterController.js
index 36de3fa2..71669fdb 100644
--- a/src/popup/app/accounts/accountsRegisterController.js
+++ b/src/popup/app/accounts/accountsRegisterController.js
@@ -44,19 +44,19 @@
         };
 
         function registerPromise(key, masterPassword, email, hint) {
-            return $q(function (resolve, reject) {
-                cryptoService.makeEncKey(key).then(function (encKey) {
-                    cryptoService.hashPassword(masterPassword, key, function (hashedPassword) {
-                        var request = new RegisterRequest(email, hashedPassword, hint, encKey.encryptedString);
-                        apiService.postRegister(request,
-                            function () {
-                                resolve();
-                            },
-                            function (error) {
-                                reject(error);
-                            });
-                    });
+            var deferred = $q.defer();
+            cryptoService.makeEncKey(key).then(function (encKey) {
+                cryptoService.hashPassword(masterPassword, key, function (hashedPassword) {
+                    var request = new RegisterRequest(email, hashedPassword, hint, encKey.encryptedString);
+                    apiService.postRegister(request,
+                        function () {
+                            deferred.resolve();
+                        },
+                        function (error) {
+                            deferred.reject(error);
+                        });
                 });
             });
+            return deferred.promise;
         }
     });
diff --git a/src/services/cryptoService.js b/src/services/cryptoService.js
index 77aac6dc..fb854958 100644
--- a/src/services/cryptoService.js
+++ b/src/services/cryptoService.js
@@ -399,7 +399,8 @@ function initCryptoService(constantsService) {
     };
 
     CryptoService.prototype.makeEncKey = function (key) {
-        var bytes = forge.random.getBytesSync(512 / 8);
+        var bytes = new Uint8Array(512 / 8);
+        _crypto.getRandomValues(bytes);
         return this.encrypt(bytes, key, 'raw');
     };