diff --git a/web/src/core/api/chat.ts b/web/src/core/api/chat.ts
index 29cf2f4..0549715 100644
--- a/web/src/core/api/chat.ts
+++ b/web/src/core/api/chat.ts
@@ -82,6 +82,7 @@ async function* chatReplayStream(
           ? "/mock/before-interrupt.txt"
           : "/mock/after-interrupt.txt";
     }
+    fastForwardReplaying = true;
   } else {
     const replayId = extractReplayIdFromSearchParams(window.location.search);
     if (replayId) {