diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index f990ce1fc..ff75f287a 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -13607,18 +13607,12 @@ void ContactsManager::update_user_online_member_count(UserId user_id) {
     }
 
     switch (dialog_id.get_type()) {
-      case DialogType::Chat: {
-        auto chat_id = dialog_id.get_chat_id();
-        auto chat_full = get_chat_full(chat_id);
-        CHECK(chat_full != nullptr);
-        update_chat_online_member_count(chat_full, chat_id, false);
+      case DialogType::Chat:
+        update_chat_online_member_count(dialog_id.get_chat_id(), false);
         break;
-      }
-      case DialogType::Channel: {
-        auto channel_id = dialog_id.get_channel_id();
-        update_channel_online_member_count(channel_id, false);
+      case DialogType::Channel:
+        update_channel_online_member_count(dialog_id.get_channel_id(), false);
         break;
-      }
       case DialogType::User:
       case DialogType::SecretChat:
       case DialogType::None:
@@ -13637,6 +13631,13 @@ void ContactsManager::update_user_online_member_count(UserId user_id) {
   }
 }
 
+void ContactsManager::update_chat_online_member_count(ChatId chat_id, bool is_from_server) {
+  auto chat_full = get_chat_full(chat_id);
+  if (chat_full != nullptr) {
+    update_chat_online_member_count(chat_full, chat_id, false);
+  }
+}
+
 void ContactsManager::update_chat_online_member_count(const ChatFull *chat_full, ChatId chat_id, bool is_from_server) {
   update_dialog_online_member_count(chat_full->participants, DialogId(chat_id), is_from_server);
 }
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index 2f192112d..6d88fd05f 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -1552,6 +1552,7 @@ class ContactsManager final : public Actor {
   void do_invalidate_channel_full(ChannelFull *channel_full, ChannelId channel_id, bool need_drop_slow_mode_delay);
 
   void update_user_online_member_count(UserId user_id);
+  void update_chat_online_member_count(ChatId chat_id, bool is_from_server);
   void update_chat_online_member_count(const ChatFull *chat_full, ChatId chat_id, bool is_from_server);
   void update_channel_online_member_count(ChannelId channel_id, bool is_from_server);
   void update_dialog_online_member_count(const vector<DialogParticipant> &participants, DialogId dialog_id,