diff --git a/slack_sdk/socket_mode/aiohttp/__init__.py b/slack_sdk/socket_mode/aiohttp/__init__.py
index a10aa402b..19ae7af0a 100644
--- a/slack_sdk/socket_mode/aiohttp/__init__.py
+++ b/slack_sdk/socket_mode/aiohttp/__init__.py
@@ -233,8 +233,8 @@ async def receive_messages(self) -> None:
                         if self.logger.level <= logging.DEBUG:
                             # The following logging prints every single received message
                             # except empty message data ones.
-                            type = WSMsgType(message.type)
-                            message_type = type.name if type is not None else message.type
+                            m_type = WSMsgType(message.type)
+                            message_type = m_type.name if m_type is not None else message.type
                             message_data = message.data
                             if isinstance(message_data, bytes):
                                 message_data = message_data.decode("utf-8")