diff --git a/aiogram/types/bot_command_scope.py b/aiogram/types/bot_command_scope.py
index e3091a7e..cb9bc78e 100644
--- a/aiogram/types/bot_command_scope.py
+++ b/aiogram/types/bot_command_scope.py
@@ -5,7 +5,7 @@ from ..utils import helper
 
 
 class BotCommandScopeType(helper.Helper):
-    mode = helper.HelperMode.lowercase
+    mode = helper.HelperMode.snake_case
 
     DEFAULT = helper.Item()  # default
     ALL_PRIVATE_CHATS = helper.Item()  # all_private_chats