diff --git a/application/palemoon/base/content/sanitize.js b/application/palemoon/base/content/sanitize.js
index 74372a4afb..0c85fa215c 100644
--- a/application/palemoon/base/content/sanitize.js
+++ b/application/palemoon/base/content/sanitize.js
@@ -11,7 +11,7 @@ XPCOMUtils.defineLazyModuleGetter(this, "FormHistory",
 XPCOMUtils.defineLazyModuleGetter(this, "Downloads",
                                   "resource://gre/modules/Downloads.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Promise",
-                                  "resource:///modules/promise.js");
+                                  "resource://gre/modules/Promise.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Task",
                                   "resource://gre/modules/Task.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "console",