diff --git a/core/hooks/useAsyncStatusAnnouncer.ts b/core/hooks/useAsyncStatusAnnouncer.ts
index cee26ff..55395cd 100644
--- a/core/hooks/useAsyncStatusAnnouncer.ts
+++ b/core/hooks/useAsyncStatusAnnouncer.ts
@@ -28,7 +28,8 @@ export function useAsyncStatusAnnouncer(options: UseAsyncStatusAnnouncerOptions
     politeness: "polite" | "assertive";
   } | null>(null);
 
-  const timeoutRef = useRef<NodeJS.Timeout>();
+  const timeoutRef = useRef<NodeJS.Timeout>();
+  const lastAnnouncementKeyRef = useRef<string | null>(null);
 
   const announce = useCallback((event: AsyncStatusEvent) => {
     if (timeoutRef.current) {