diff --git a/apps/ai-game-creator-shell/src/App.tsx b/apps/ai-game-creator-shell/src/App.tsx
index 3352b92dd..624f89d3a 100644
--- a/apps/ai-game-creator-shell/src/App.tsx
+++ b/apps/ai-game-creator-shell/src/App.tsx
@@ -1929,6 +1929,10 @@ export function App({
         setDirectCodexTransientReply(state.accumulatedText);
         directCodexTransientReplyRef.current = state.accumulatedText;
         setDirectCodexTransientReplyUpdatedAt(Date.now());
+      } else {
+        setDirectCodexTransientReply('');
+        directCodexTransientReplyRef.current = '';
+        setDirectCodexTransientReplyUpdatedAt(null);
       }
     };