diff --git a/xpfe/global/resources/content/config.js b/xpfe/global/resources/content/config.js
index 19bf3ff4467..4ba9e00bb8d 100644
--- a/xpfe/global/resources/content/config.js
+++ b/xpfe/global/resources/content/config.js
@@ -568,6 +568,8 @@ function ModifyPref(entry)
     }
   }
 
+  gPrefService.savePrefFile(null);
+
   // Fire event for accessibility
   var event = document.createEvent('Events');
   event.initEvent('NameChange', false, true);
diff --git a/xpfe/global/resources/content/config.xul b/xpfe/global/resources/content/config.xul
index 475ade50d4a..e1f2b59675f 100644
--- a/xpfe/global/resources/content/config.xul
+++ b/xpfe/global/resources/content/config.xul
@@ -76,7 +76,7 @@
   <key keycode="VK_RETURN" oncommand="ModifySelected();"/>
 </keyset>
 
-<hbox align="center">
+<hbox id="filterRow" align="center">
   <label value="&filterPrefs.label;" accesskey="&filterPrefs.accesskey;" control="textbox"/>
   <textbox id="textbox" flex="1" type="timed" timeout="500" oncommand="FilterPrefs();"/>
   <button id="button" label="&showAll.label;" accesskey="&showAll.accesskey;" oncommand="ClearFilter();" disabled="true"/>