diff --git a/public/js/services/userServices.js b/public/js/services/userServices.js
index 157aa322fd..c945cb3cdd 100644
--- a/public/js/services/userServices.js
+++ b/public/js/services/userServices.js
@@ -56,7 +56,7 @@ angular.module('userServices', []).
           sent.push(queue.shift());
         });
 
-        $http.post(API_URL + '/api/v1/user/batch-update', sent, {params: {data:+new Date, _v:user._v, siteVersion: $window.env.siteVersion}})
+        $http.post(API_URL + '/api/v1/user/batch-update', sent, {params: {data:+new Date, _v:user._v, siteVersion: $window.env && $window.env.siteVersion}})
           .success(function (data, status, heacreatingders, config) {
             //make sure there are no pending actions to sync. If there are any it is not safe to apply model from server as we may overwrite user data.
             if (!queue.length) {