diff --git a/source/Ox.UI/js/Core/Ox.Theme.js b/source/Ox.UI/js/Core/Ox.Theme.js
index e0aa2134..7b09b6c0 100644
--- a/source/Ox.UI/js/Core/Ox.Theme.js
+++ b/source/Ox.UI/js/Core/Ox.Theme.js
@@ -117,7 +117,9 @@ Ox.Theme = (function() {
                 });
             });
         }
-        localStorage && localStorage.OxTheme = theme;
+        if (localStorage) {
+            localStorage.OxTheme = theme;
+        }
         return that;
     }