diff --git a/trustgraph-flow/trustgraph/gateway/sender.py b/trustgraph-flow/trustgraph/gateway/sender.py
index 207e27e3..93f1164c 100644
--- a/trustgraph-flow/trustgraph/gateway/sender.py
+++ b/trustgraph-flow/trustgraph/gateway/sender.py
@@ -39,7 +39,8 @@ class ServiceSender:
                 self.pub.send, None, self.to_request(request)
             )
 
-            return {}
+            if responder:
+                await responder({}, True)
 
         except Exception as e: