diff --git a/apps/common/main/lib/controller/Themes.js b/apps/common/main/lib/controller/Themes.js
index f28783d6b..0e952e05d 100644
--- a/apps/common/main/lib/controller/Themes.js
+++ b/apps/common/main/lib/controller/Themes.js
@@ -210,7 +210,7 @@ define([
 
                 this.api = api;
                 var theme_name = Common.localStorage.getItem('ui-theme');
-                if ( !!themes_map[theme_name] )
+                if ( !themes_map[theme_name] )
                     theme_name = id_default_light_theme;
 
                 if ( !$('body').hasClass(theme_name) ) {