diff --git a/core/util.js b/core/util.js
index 2a7002d6..ec1f4e1a 100644
--- a/core/util.js
+++ b/core/util.js
@@ -436,7 +436,7 @@ Util.Localisation = {
 
     // Retrieve localised text
     get: function (id) {
-        if (Language[id]) {
+        if (typeof Language !== 'undefined' && Language[id]) {
             return Language[id];
         } else {
             return id;