1 files changed, 1 insertions, 1 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-overrides.js b/devtools/client/debugger/test/mochitest/browser_dbg-overrides.js
index 48f5893799..0e2dc54609 100644
--- a/devtools/client/debugger/test/mochitest/browser_dbg-overrides.js
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-overrides.js
@@ -70,7 +70,7 @@ add_task(async function () {
 
   info("Select test.js tree node, and add override");
   const MockFilePicker = SpecialPowers.MockFilePicker;
-  MockFilePicker.init(window);
+  MockFilePicker.init(window.browsingContext);
   const nsiFile = new FileUtils.File(
     PathUtils.join(PathUtils.tempDir, "test.js")
   );