diff --git a/types/send/index.d.ts b/types/send/index.d.ts
index 4b738fa011..6c38861c4f 100644
--- a/types/send/index.d.ts
+++ b/types/send/index.d.ts
@@ -197,7 +197,7 @@ declare namespace send {
         /**
          * Pipe to `res`.
          */
-        pipe(res: stream.Writable): stream.Writable;
+        pipe<T extends NodeJS.WritableStream>(res: T): T;
 
         /**
          * Transfer `path`.