diff --git a/components/avim.js b/components/avim.js
index a39f284..46c51b0 100644
--- a/components/avim.js
+++ b/components/avim.js
@@ -123,6 +123,7 @@ AVIM.prototype.onWindowOpen = function (window) {
 	let manifestUrls = [
 		"chrome://browser/content/browser.xul",
 		"chrome://browser/content/preferences/preferences.xul",
+		"chrome://messenger/content/messenger.xul",
 		"chrome://messenger/content/preferences/preferences.xul",
 		"chrome://dta/content/preferences/prefs.xul",
 		"chrome://tabmixplus/content/preferences/preferences.xul",