diff --git a/toolkit/mozapps/handling/content/dialog.js b/toolkit/mozapps/handling/content/dialog.js
index 98a7882016..2d93fd60d6 100644
--- a/toolkit/mozapps/handling/content/dialog.js
+++ b/toolkit/mozapps/handling/content/dialog.js
@@ -151,6 +151,7 @@ var dialog = {
       elm.setAttribute("type", "handler");
       elm.id = "os-default-handler";
       elm.setAttribute("name", this._handlerInfo.defaultDescription);
+      elm.setAttribute("image", "moz-icon://.exe?size=32");
 
       items.insertBefore(elm, items.firstChild);
       if (this._handlerInfo.preferredAction ==