diff --git a/apps/common/main/lib/util/utils.js b/apps/common/main/lib/util/utils.js
index 70e9a173bf..24ed42b61b 100644
--- a/apps/common/main/lib/util/utils.js
+++ b/apps/common/main/lib/util/utils.js
@@ -1097,11 +1097,13 @@ Common.Utils.getKeyByValue = function(obj, value) {
     }
 };
 
-Common.UI.isRTL = function () {
-    if ( window.isrtl == undefined ) {
-        window.isrtl = Common.localStorage.itemExists('ui-rtl') ?
-                            Common.localStorage.getBool("ui-rtl") : Common.Locale.isCurrentLanguageRtl();
-    }
+if (Common.UI) {
+    Common.UI.isRTL = function () {
+        if ( window.isrtl == undefined ) {
+            window.isrtl = Common.localStorage.itemExists('ui-rtl') ?
+                Common.localStorage.getBool("ui-rtl") : Common.Locale.isCurrentLanguageRtl();
+        }
 
-    return window.isrtl;
-};
\ No newline at end of file
+        return window.isrtl;
+    };
+}
\ No newline at end of file