diff --git a/frontend/src/hooks/useConversation.ts b/frontend/src/hooks/useConversation.ts
index 07ee326..5aa11ae 100644
--- a/frontend/src/hooks/useConversation.ts
+++ b/frontend/src/hooks/useConversation.ts
@@ -141,7 +141,7 @@ export function useConversation() {
             combined.set(chunk, offset);
             offset += chunk.length;
           }
-          audioBufferRef.current = [];
+          // audioBufferRef no longer used for playback (incremental)
           const blob = new Blob([combined], { type: 'audio/ogg' });
           const url = URL.createObjectURL(blob);
           audioRef.current.src = url;