diff --git a/test/fetch-adapter/fetch-adapter.spec.ts b/test/fetch-adapter/fetch-adapter.spec.ts
index 347e6460..6a0c3627 100644
--- a/test/fetch-adapter/fetch-adapter.spec.ts
+++ b/test/fetch-adapter/fetch-adapter.spec.ts
@@ -207,7 +207,7 @@ describe('fetch adapter', () => {
     expect(receivedContext.headers).toEqual(null);
     expect(receivedContext.body).toEqual({
       contentType: runtime.noContentContentType,
-      value: { one: 'the loneliest number' }
+      value: null
     });
   });
 });