diff --git a/deluge/ui/web/js/deluge-all/Deluge.Preferences.js b/deluge/ui/web/js/deluge-all/Deluge.Preferences.js
index 552454456..4a3ab0286 100644
--- a/deluge/ui/web/js/deluge-all/Deluge.Preferences.js
+++ b/deluge/ui/web/js/deluge-all/Deluge.Preferences.js
@@ -32,6 +32,7 @@ Copyright:
 
 */
 
+Ext.namespace('Deluge.preferences');
 PreferencesRecord = Ext.data.Record.create([{name:'name', type:'string'}]);
 
 /**