diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 236685cbd..00da7b99e 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -2927,6 +2927,9 @@ chatEventTitleChanged old_title:string new_title:string = ChatEventAction;
 //@description The chat editable username was changed @old_username Previous chat username @new_username New chat username
 chatEventUsernameChanged old_username:string new_username:string = ChatEventAction;
 
+//@description The chat active usernames were changed @old_usernames Previous list of active usernames @new_usernames New list of active usernames
+chatEventActiveUsernamesChanged old_usernames:vector<string> new_usernames:vector<string> = ChatEventAction;
+
 //@description The has_protected_content setting of a channel was toggled @has_protected_content New value of has_protected_content
 chatEventHasProtectedContentToggled has_protected_content:Bool = ChatEventAction;
 
diff --git a/td/telegram/DialogEventLog.cpp b/td/telegram/DialogEventLog.cpp
index 359289b0e..39aebf16d 100644
--- a/td/telegram/DialogEventLog.cpp
+++ b/td/telegram/DialogEventLog.cpp
@@ -129,7 +129,8 @@ static td_api::object_ptr<td_api::ChatEventAction> get_chat_event_action_object(
     }
     case telegram_api::channelAdminLogEventActionChangeUsernames::ID: {
       auto action = move_tl_object_as<telegram_api::channelAdminLogEventActionChangeUsernames>(action_ptr);
-      return nullptr;
+      return td_api::make_object<td_api::chatEventActiveUsernamesChanged>(std::move(action->prev_value_),
+                                                                          std::move(action->new_value_));
     }
     case telegram_api::channelAdminLogEventActionChangePhoto::ID: {
       auto action = move_tl_object_as<telegram_api::channelAdminLogEventActionChangePhoto>(action_ptr);