diff --git a/src/snek/service/channel.py b/src/snek/service/channel.py
index 5291189..a1ff9e6 100644
--- a/src/snek/service/channel.py
+++ b/src/snek/service/channel.py
@@ -59,7 +59,7 @@ class ChannelService(BaseService):
         if channel_member:
             return await self.get(uid=channel_member["channel_uid"])
         channel = await self.create(
-            "DM", user1, tag="DM"            
+            "DM", user1, tag="dm"            
         )
         await self.services.channel_member.create_dm(
             channel["uid"], user1, user2