1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_socialtracking_save_image.js b/toolkit/components/antitracking/test/browser/browser_socialtracking_save_image.js
index e7389b1456..1c74adc0a3 100644
--- a/toolkit/components/antitracking/test/browser/browser_socialtracking_save_image.js
+++ b/toolkit/components/antitracking/test/browser/browser_socialtracking_save_image.js
@@ -13,7 +13,7 @@ const TEST_IMAGE_URL =
   "http://social-tracking.example.org/browser/toolkit/components/antitracking/test/browser/raptor.jpg";
 
 let MockFilePicker = SpecialPowers.MockFilePicker;
-MockFilePicker.init(window);
+MockFilePicker.init(window.browsingContext);
 
 const tempDir = createTemporarySaveDirectory();
 MockFilePicker.displayDirectory = tempDir;