diff --git a/titles/sao/index.py b/titles/sao/index.py
index 43484d8..65d0c0d 100644
--- a/titles/sao/index.py
+++ b/titles/sao/index.py
@@ -152,7 +152,7 @@ class SaoServlet(BaseServlet):
         
         else:
             self.logger.error(f"Unknown response type {type(resp)}")
-            return SaoNoopResponse(req_header.cmd + 1).make()
+            return Response(SaoNoopResponse(req_header.cmd + 1).make())
         
         self.logger.debug(f"Response: {resp.hex()}")