1 files changed, 1 insertions, 1 deletions
diff --git a/browser/base/content/test/general/browser_save_video_frame.js b/browser/base/content/test/general/browser_save_video_frame.js
index 877c33bcd3..11fe3ac80e 100644
--- a/browser/base/content/test/general/browser_save_video_frame.js
+++ b/browser/base/content/test/general/browser_save_video_frame.js
@@ -49,7 +49,7 @@ function waitForTransferComplete() {
  */
 add_task(async function () {
   let MockFilePicker = SpecialPowers.MockFilePicker;
-  MockFilePicker.init(window);
+  MockFilePicker.init(window.browsingContext);
 
   // Create the folder the video will be saved into.
   let destDir = createTemporarySaveDirectory();