diff --git a/Normal.py b/Normal.py
index 0a5b424..038e375 100644
--- a/Normal.py
+++ b/Normal.py
@@ -183,9 +183,13 @@ def is_valid_message(self, message):
             message.author == self.user or
             message.guild is None or
             message.guild.id not in self.allowed_guilds or
-            message.channel.id not in Config.Channels
+            (
+                message.channel.id not in Config.Channels and 
+                not any(message.channel.id in subchannels for subchannels in Config.Channels.values())
+            )
         )
 
+
     def get_main_channel_id(self, channel_id):
         for main_channel, sub_channels in Config.Channels.items():
             if channel_id == main_channel or channel_id in sub_channels: