diff --git a/tdactor/td/actor/SleepActor.h b/tdactor/td/actor/SleepActor.h
index 4b976a91..9b9981ec 100644
--- a/tdactor/td/actor/SleepActor.h
+++ b/tdactor/td/actor/SleepActor.h
@@ -26,6 +26,7 @@ class SleepActor : public Actor {
   }
   void timeout_expired() override {
     promise_.set_value(Unit());
+    stop();
   }
 };