diff --git a/application/palemoon/base/content/openLocation.js b/application/palemoon/base/content/openLocation.js
index 388eea19b3..f6e6a24347 100644
--- a/application/palemoon/base/content/openLocation.js
+++ b/application/palemoon/base/content/openLocation.js
@@ -17,7 +17,7 @@ try {
 
 Components.utils.import("resource:///modules/openLocationLastURL.jsm", openLocationModule);
 Components.utils.import("resource://gre/modules/Task.jsm");
-let gOpenLocationLastURL = new openLocationModule.OpenLocationLastURL(window.opener);
+var gOpenLocationLastURL = new openLocationModule.OpenLocationLastURL(window.opener);
 
 function onLoad()
 {