diff --git a/xpfe/browser/resources/content/linkToolbarOverlay.js b/xpfe/browser/resources/content/linkToolbarOverlay.js
index b3727a2ba080..0d0ef81f1b91 100644
--- a/xpfe/browser/resources/content/linkToolbarOverlay.js
+++ b/xpfe/browser/resources/content/linkToolbarOverlay.js
@@ -221,6 +221,8 @@ function(id, checkedItem)
 
 LinkToolbarUI.prototype.addHandlerActive = false;
 
+LinkToolbarUI.prototype.initialized = false;
+
 LinkToolbarUI.prototype.initHandlers =
 function()
 {