diff --git a/telebot/__init__.py b/telebot/__init__.py
index 630edb29e..b154d04ca 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -7700,7 +7700,7 @@ def register_chosen_inline_handler(self, callback: Callable, func: Callable, pas
         self.add_chosen_inline_handler(handler_dict)
 
 
-    def callback_query_handler(self, func, **kwargs):
+    def callback_query_handler(self, func=None, **kwargs):
         """
         Handles new incoming callback query.
         As a parameter to the decorator function, it passes :class:`telebot.types.CallbackQuery` object.
diff --git a/telebot/async_telebot.py b/telebot/async_telebot.py
index d8dd91e05..d50cbf7e0 100644
--- a/telebot/async_telebot.py
+++ b/telebot/async_telebot.py
@@ -1700,7 +1700,7 @@ def register_chosen_inline_handler(self, callback: Callable[[Any], Awaitable], f
         handler_dict = self._build_handler_dict(callback, func=func, pass_bot=pass_bot, **kwargs)
         self.add_chosen_inline_handler(handler_dict)
 
-    def callback_query_handler(self, func, **kwargs):
+    def callback_query_handler(self, func=None, **kwargs):
         """
         Handles new incoming callback query.
         As a parameter to the decorator function, it passes :class:`telebot.types.CallbackQuery` object.