diff --git a/bot/bot.py b/bot/bot.py
index a7ad99d..9075eb0 100644
--- a/bot/bot.py
+++ b/bot/bot.py
@@ -134,7 +134,7 @@ async def left_chat_member_event(chat, member):
         text.format(name=member['first_name'], farewell=farewell, emoticon=emoticon))
 
 
-@bot.unknown
+@bot.default
 @bot.group_message
 async def group_message_event(chat, message):
     sender = message.get('from')