1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/mozapps/update/tests/unit_service_updater/marFileLockedFailureCompleteSvc_win.js b/toolkit/mozapps/update/tests/unit_service_updater/marFileLockedFailureCompleteSvc_win.js
index 698ccb7fe5..5517d5ed81 100644
--- a/toolkit/mozapps/update/tests/unit_service_updater/marFileLockedFailureCompleteSvc_win.js
+++ b/toolkit/mozapps/update/tests/unit_service_updater/marFileLockedFailureCompleteSvc_win.js
@@ -12,7 +12,7 @@ async function run_test() {
   gTestDirs = gTestDirsCompleteSuccess;
   setTestFilesAndDirsForFailure();
   await setupUpdaterTest(FILE_COMPLETE_MAR, false);
-  await runHelperLockFile(gTestFiles[3]);
+  await runHelperLockFile(getTestFileByName("searchpluginspng0.png"));
   runUpdate(STATE_FAILED_WRITE_ERROR, false, 1, true);
   await waitForHelperExit();
   standardInit();