diff --git a/td/telegram/CallActor.cpp b/td/telegram/CallActor.cpp
index a54ec915f..e0a247aa7 100644
--- a/td/telegram/CallActor.cpp
+++ b/td/telegram/CallActor.cpp
@@ -924,12 +924,16 @@ void CallActor::flush_call_state() {
     }
     call_state_need_flush_ = false;
 
-    // TODO can't call const function
-    // send_closure(G()->user_manager(), &UserManager::get_user_id_object, user_id_, "flush_call_state");
-    send_closure(G()->td(), &Td::send_update,
-                 make_tl_object<td_api::updateCall>(make_tl_object<td_api::call>(
-                     local_call_id_.get(), is_outgoing_ ? user_id_.get() : call_admin_user_id_.get(), is_outgoing_,
-                     is_video_, call_state_.get_call_state_object())));
+    auto peer_id = is_outgoing_ ? user_id_ : call_admin_user_id_;
+    auto update = td_api::make_object<td_api::updateCall>(td_api::make_object<td_api::call>(
+        local_call_id_.get(), 0, is_outgoing_, is_video_, call_state_.get_call_state_object()));
+    send_closure(G()->user_manager(), &UserManager::get_user_id_object_async, peer_id,
+                 [td_actor = G()->td(), update = std::move(update)](Result<int64> r_user_id) mutable {
+                   if (r_user_id.is_ok()) {
+                     update->call_->user_id_ = r_user_id.ok();
+                     send_closure(td_actor, &Td::send_update, std::move(update));
+                   }
+                 });
   }
 }
 
diff --git a/td/telegram/UserManager.cpp b/td/telegram/UserManager.cpp
index 273148508..c9d03f137 100644
--- a/td/telegram/UserManager.cpp
+++ b/td/telegram/UserManager.cpp
@@ -7844,6 +7844,10 @@ int64 UserManager::get_user_id_object(UserId user_id, const char *source) const
   return user_id.get();
 }
 
+void UserManager::get_user_id_object_async(UserId user_id, Promise<int64> &&promise) {
+  promise.set_value(get_user_id_object(user_id, "get_user_id_object_async"));
+}
+
 td_api::object_ptr<td_api::user> UserManager::get_user_object(UserId user_id) const {
   return get_user_object(user_id, get_user(user_id));
 }
diff --git a/td/telegram/UserManager.h b/td/telegram/UserManager.h
index 0e2489668..261540874 100644
--- a/td/telegram/UserManager.h
+++ b/td/telegram/UserManager.h
@@ -451,6 +451,8 @@ class UserManager final : public Actor {
 
   int64 get_user_id_object(UserId user_id, const char *source) const;
 
+  void get_user_id_object_async(UserId user_id, Promise<int64> &&promise);
+
   td_api::object_ptr<td_api::user> get_user_object(UserId user_id) const;
 
   vector<int64> get_user_ids_object(const vector<UserId> &user_ids, const char *source) const;