diff --git a/src/Service.ts b/src/Service.ts
index 411f100..27f0141 100644
--- a/src/Service.ts
+++ b/src/Service.ts
@@ -558,7 +558,9 @@ export class Service<E extends Emitter = Emitter> extends Root {
           const { payload, baggage } = JSONCodec<Message<unknown>>().decode(message.data);
           this.handled(payload, Method, baggage)
             .then(result => {
-              message.respond(this.buildMessage(result));
+              if (!isRace || result.payload) {
+                message.respond(this.buildMessage(result));
+              }
             })
             .catch(error => {
               message.respond(this.buildMessage({ error: error.message }));