diff --git a/lib/web/fetch/response.js b/lib/web/fetch/response.js
index 5e40c164a50..f8c9d797dc4 100644
--- a/lib/web/fetch/response.js
+++ b/lib/web/fetch/response.js
@@ -91,8 +91,8 @@ class Response {
     }
 
     // 4. Let responseObject be the result of creating a Response object,
-    // given a new response, "immutable", and this’s relevant Realm.
-    const responseObject = fromInnerResponse(makeResponse({}), 'immutable')
+    // given a new response, "response", and this’s relevant Realm.
+    const responseObject = fromInnerResponse(makeResponse({}), 'response')
 
     // 5. Set responseObject’s response’s status to status.
     responseObject.#state.status = status