diff --git a/playground/worker/__tests__/es/es-worker.spec.ts b/playground/worker/__tests__/es/es-worker.spec.ts
index cabe43a6fdc5b0..dfa2462f61a551 100644
--- a/playground/worker/__tests__/es/es-worker.spec.ts
+++ b/playground/worker/__tests__/es/es-worker.spec.ts
@@ -80,7 +80,7 @@ describe.runIf(isBuild)('build', () => {
     expect(content).toMatch(`(window.URL||window.webkitURL).createObjectURL`)
     expect(content).toMatch(`window.Blob`)
     expect(content).toMatch(
-      /try\{if\(\w+=\w+&&\(window\.URL\|\|window\.webkitURL\)\.createObjectURL\(\w+\),\w+\)throw""/,
+      /try\{if\(\w+=\w+&&\(window\.URL\|\|window\.webkitURL\)\.createObjectURL\(\w+\),!\w+\)throw""/,
     )
     // inlined shared worker
     expect(content).toMatch(