diff --git a/test/javascripts/lib/utilities-test.js.es6 b/test/javascripts/lib/utilities-test.js.es6
index 003c40bb153..3cea33cbedd 100644
--- a/test/javascripts/lib/utilities-test.js.es6
+++ b/test/javascripts/lib/utilities-test.js.es6
@@ -1,3 +1,4 @@
+/* global Int8Array:true */
 import { blank } from 'helpers/qunit-helpers';
 
 module("Discourse.Utilities");