diff --git a/packages/next/server/body-streams.ts b/packages/next/server/body-streams.ts
index 0951502f5b7a3..770d937d3c1ed 100644
--- a/packages/next/server/body-streams.ts
+++ b/packages/next/server/body-streams.ts
@@ -66,6 +66,7 @@ export function getClonableBody<T extends IncomingMessage>(
         }
         replaceRequestBody(readable, buffered)
         buffered = readable
+        buffered.push(null)
       }
     },
     /**