diff --git a/apps/ai-game-creator-shell/src/App.tsx b/apps/ai-game-creator-shell/src/App.tsx
index 77f4e14c0..777fa7ca7 100644
--- a/apps/ai-game-creator-shell/src/App.tsx
+++ b/apps/ai-game-creator-shell/src/App.tsx
@@ -11828,6 +11828,8 @@ export function App({
       supervisorChatShouldFollowLatestRef.current = true;
       const clientTurnId = createAgentChatRunId('planning-v2-turn');
       setChatInput('');
+      setChatReferences([]);
+      setChatContent([]);
       setMessages((current) => [
         ...current,
         {