1 files changed, 1 insertions, 1 deletions
diff --git a/uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js b/uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js
index c73538fe19..35d93703cd 100644
--- a/uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js
+++ b/uriloader/exthandler/tests/mochitest/browser_download_open_with_internal_handler.js
@@ -23,7 +23,7 @@ const HandlerSvc = Cc["@mozilla.org/uriloader/handler-service;1"].getService(
 );
 
 let MockFilePicker = SpecialPowers.MockFilePicker;
-MockFilePicker.init(window);
+MockFilePicker.init(window.browsingContext);
 
 function waitForAcceptButtonToGetEnabled(doc) {
   let dialog = doc.querySelector("#unknownContentType");