diff --git a/mozilla/toolkit/components/viewconfig/content/config.xul b/mozilla/toolkit/components/viewconfig/content/config.xul
index 1948f459fc9..00c0f514ecf 100644
--- a/mozilla/toolkit/components/viewconfig/content/config.xul
+++ b/mozilla/toolkit/components/viewconfig/content/config.xul
@@ -45,6 +45,7 @@
 <window id="config"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" 
         title="&window.title;"
+        windowtype="Preferences:ConfigManager"
         width="750"
         height="500"
         onunload="onConfigUnload();"