diff --git a/ext/http/00_serve.ts b/ext/http/00_serve.ts
index 84b8cd321b..670b64676e 100644
--- a/ext/http/00_serve.ts
+++ b/ext/http/00_serve.ts
@@ -225,7 +225,7 @@ class InnerRequest {
           const wsRid = await wsPromise;
 
           // We have to wait for the go-ahead signal
-          await goAhead;
+          await goAhead.promise;
 
           ws[_rid] = wsRid;
           ws[_readyState] = WebSocket.OPEN;