--- a/devtools/server/tests/browser/browser_storage_browser_toolbox_indexeddb.js
+++ b/devtools/server/tests/browser/browser_storage_browser_toolbox_indexeddb.js
@@ -1,12 +1,14 @@
 /* vim: set ft=javascript ts=2 et sw=2 tw=80: */
 /* Any copyright is dedicated to the Public Domain.
    http://creativecommons.org/publicdomain/zero/1.0/ */
 
+/* import-globals-from storage-helpers.js */
+
 "use strict";
 
 const { StorageFront } = require("devtools/shared/fronts/storage");
 Services.scriptloader.loadSubScript(
   "chrome://mochitests/content/browser/devtools/server/tests/browser/storage-helpers.js",
   this);
 
 add_task(async function() {