diff --git a/deluge/ui/webui/templates/ajax/static/js/deluge-preferences.js b/deluge/ui/webui/templates/ajax/static/js/deluge-preferences.js
index 1e3003bdb..4066a7301 100644
--- a/deluge/ui/webui/templates/ajax/static/js/deluge-preferences.js
+++ b/deluge/ui/webui/templates/ajax/static/js/deluge-preferences.js
@@ -9,7 +9,7 @@
 
 
 Deluge.Widgets.PreferencesCategory = new Class({
-    Extends: Widgets.TabPage,
+    Extends: Widgets.TabPage
 });
 
 Deluge.Widgets.PluginPreferencesCategory = new Class({