diff --git a/src/frontend/packages/lib_components/testSetup.js b/src/frontend/packages/lib_components/testSetup.js
index cd18bfcc70..b03c612a1d 100644
--- a/src/frontend/packages/lib_components/testSetup.js
+++ b/src/frontend/packages/lib_components/testSetup.js
@@ -1,5 +1,5 @@
 import 'marsha-config/jest/testSetup';
-import { TransformStream } from 'web-streams-polyfill/ponyfill';
+import { TransformStream } from 'web-streams-polyfill/es5';
 
 const tds = {
   start() {