diff --git a/client/tests/karma/karma.config.qunit.js b/client/tests/karma/karma.config.qunit.js
index 72b5869def7..2ad9bac073d 100644
--- a/client/tests/karma/karma.config.qunit.js
+++ b/client/tests/karma/karma.config.qunit.js
@@ -10,7 +10,7 @@
  */
 
 const baseKarmaConfig = require("./karma.config.base");
-const testFiles = ["../node_modules/@babel/polyfill/dist/polyfill.js", "../tests/qunit/testBundle.js"];
+const testFiles = ["polyfills.js", "../tests/qunit/testBundle.js"];
 const preprocessors = testFiles.reduce((result, path) => {
     result[path] = ["webpack"];
     return result;