diff --git a/src/Umbraco.Web.UI.Client/src/core/mocks/index.ts b/src/Umbraco.Web.UI.Client/src/core/mocks/index.ts
index 980b6cbecf..6e7900820d 100644
--- a/src/Umbraco.Web.UI.Client/src/core/mocks/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/core/mocks/index.ts
@@ -1,4 +1,5 @@
-import { MockedRequest, setupWorker } from 'msw';
+const { setupWorker } = window.MockServiceWorker;
+import type { MockedRequest } from 'msw';
 import { handlers } from './browser-handlers';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';