diff --git a/code/addons/onboarding/preset.js b/code/addons/onboarding/preset.js
index 2c7ea670f4a..87f1602c2f2 100644
--- a/code/addons/onboarding/preset.js
+++ b/code/addons/onboarding/preset.js
@@ -1,5 +1,5 @@
 function managerEntries(entry = []) {
-  return [...entry, require.resolve('./dist/manager.mjs')];
+  return [...entry, require.resolve('./dist/manager.js')];
 }
 
 module.exports = {