diff --git a/src/services/rate-limit.ts b/src/services/rate-limit.ts
index a1e08b6..83ccd3f 100644
--- a/src/services/rate-limit.ts
+++ b/src/services/rate-limit.ts
@@ -50,7 +50,12 @@ export class RateLimiter {
   }
 
   static shouldNotify(userId: string, now: number = Date.now()): boolean {
-    const last = this.lastNotifyAt.get(userId) || 0;
+    const last = this.lastNotifyAt.get(userId);
+    // Si nunca se ha notificado, permitir notificar inmediatamente
+    if (last === undefined) {
+      this.lastNotifyAt.set(userId, now);
+      return true;
+    }
     if (now - last >= this.NOTIFY_COOLDOWN_MS) {
       this.lastNotifyAt.set(userId, now);
       return true;