diff --git a/integration-tests/js-compute/fixtures/app/src/manual-framing-headers.js b/integration-tests/js-compute/fixtures/app/src/manual-framing-headers.js
index 5e8c434c85..b2c017b7d7 100644
--- a/integration-tests/js-compute/fixtures/app/src/manual-framing-headers.js
+++ b/integration-tests/js-compute/fixtures/app/src/manual-framing-headers.js
@@ -229,6 +229,7 @@ async function responseMethod(setManualFramingHeaders) {
     status: response.status,
   });
   response.setManualFramingHeaders(setManualFramingHeaders);
+  outResponse.setManualFramingHeaders(setManualFramingHeaders);
   outResponse.headers.set('content-length', '11');
   outResponse.headers.delete('transfer-encoding');
   return outResponse;