diff --git a/tdactor/td/actor/impl/Scheduler-decl.h b/tdactor/td/actor/impl/Scheduler-decl.h
index f44ab8e8..0e68b4c1 100644
--- a/tdactor/td/actor/impl/Scheduler-decl.h
+++ b/tdactor/td/actor/impl/Scheduler-decl.h
@@ -219,7 +219,7 @@ class Scheduler {
   bool has_guard_ = false;
   bool close_flag_ = false;
 
-  uint32 wait_generation_ = 0;
+  uint32 wait_generation_ = 1;
   int32 sched_id_ = 0;
   int32 sched_n_ = 0;
   std::shared_ptr<MpscPollableQueue<EventFull>> inbound_queue_;
diff --git a/tdactor/td/actor/impl/Scheduler.h b/tdactor/td/actor/impl/Scheduler.h
index 36b7b552..e26e479a 100644
--- a/tdactor/td/actor/impl/Scheduler.h
+++ b/tdactor/td/actor/impl/Scheduler.h
@@ -190,7 +190,7 @@ inline void Scheduler::before_tail_send(const ActorId<> &actor_id) {
 }
 
 inline void Scheduler::inc_wait_generation() {
-  wait_generation_++;
+  wait_generation_ += 2;
 }
 
 template <ActorSendType send_type, class RunFuncT, class EventFuncT>