diff --git a/playground/backend-integration/__tests__/backend-integration.spec.ts b/playground/backend-integration/__tests__/backend-integration.spec.ts
index 8d067f0616775d..f233124ea10172 100644
--- a/playground/backend-integration/__tests__/backend-integration.spec.ts
+++ b/playground/backend-integration/__tests__/backend-integration.spec.ts
@@ -37,7 +37,7 @@ describe.runIf(isBuild)('build', () => {
     const cssAssetEntry = manifest['global.css']
     const scssAssetEntry = manifest['nested/blue.scss']
     const imgAssetEntry = manifest['../images/logo.png']
-    const dirFooAssetEntry = manifest['../../dir/foo.css'] // '\\' should not be used even on windows
+    const dirFooAssetEntry = manifest['foo.css'] // '\\' should not be used even on windows
     expect(htmlEntry.css.length).toEqual(1)
     expect(htmlEntry.assets.length).toEqual(1)
     expect(cssAssetEntry?.file).not.toBeUndefined()