diff --git a/mozilla/extensions/irc/jar.mn b/mozilla/extensions/irc/jar.mn
index f4ebdef4c4b..7f8192cc701 100644
--- a/mozilla/extensions/irc/jar.mn
+++ b/mozilla/extensions/irc/jar.mn
@@ -3,6 +3,7 @@ chatzilla.jar:
 %       skin    chatzilla modern/1.0 %skin/modern/chatzilla/
 %       overlay chrome://browser/content/browser.xul chrome://chatzilla/content/browserOverlay.xul application={ec8030f7-c20a-464f-9b0e-13a3a9e97384}
 %       overlay chrome://browser/content/browser.xul chrome://chatzilla/content/browserOverlay.xul application={a463f10c-3994-11da-9945-000d60ca027b}
+%       overlay chrome://navigator/content/navigator.xul chrome://chatzilla/content/browserOverlay.xul application={92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}
 %       overlay chrome://songbird/content/xul/layoutBaseOverlay.xul chrome://chatzilla/content/browserOverlay.xul application=songbird@songbirdnest.com
 %       overlay chrome://editor/content/editorTasksOverlay.xul chrome://chatzilla/content/chatzillaOverlay.xul application={92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}
 %       overlay chrome://communicator/content/pref/preferences.xul chrome://chatzilla/content/prefsOverlay.xul application={92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}