1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/components/downloads/test/unit/test_Download_noext_win.js b/toolkit/components/downloads/test/unit/test_Download_noext_win.js
index 0e226229f6..b0e1466b52 100644
--- a/toolkit/components/downloads/test/unit/test_Download_noext_win.js
+++ b/toolkit/components/downloads/test/unit/test_Download_noext_win.js
@@ -47,7 +47,7 @@ add_task(async function () {
  */
 function waitForDirectoryShown() {
   return new Promise(resolve => {
-    let waitFn = base => ({
+    let waitFn = () => ({
       showContainingDirectory(path) {
         Integration.downloads.unregister(waitFn);
         resolve(path);