diff --git i/heisenbridge/private_room.py w/heisenbridge/private_room.py
index d8118e8..6d33a3e 100644
--- i/heisenbridge/private_room.py
+++ w/heisenbridge/private_room.py
@@ -466,7 +466,7 @@ class PrivateRoom(Room):
         if self.id is None:
             irc_user_id = await self.network.serv.ensure_irc_user_id(self.network.name, displayname, update_cache=False)
             self.id = await self.network.serv.create_room(
-                "{} ({})".format(displayname, self.network.name),
+                "{}".format(displayname),
                 "Private chat with {} on {}".format(displayname, self.network.name),
                 [self.network.user_id, irc_user_id],
             )