diff --git a/packages/voice/src/app/agent/chat.tsx b/packages/voice/src/app/agent/chat.tsx
index d6377bae..41489ba0 100644
--- a/packages/voice/src/app/agent/chat.tsx
+++ b/packages/voice/src/app/agent/chat.tsx
@@ -186,7 +186,7 @@ export class ChatRequest {
         const currentMessage = currentTurn.messages
           .filter((m: any) => m.kind === 'text')
           .map((m: any) => m.content)
-          .join('');
+          .join(' ');
 
         if (currentMessage === this.outMessage) {
           continue;