diff --git a/src/room.py b/src/room.py
index b1b77d1ef9dbefdaf1cf0e89d7188e891d3b92e1..0c34b445a30abd6b84fbe2abac8133a44b85d0ea 100644
--- a/src/room.py
+++ b/src/room.py
@@ -43,6 +43,7 @@ class Room(TextBuffer):
         Set the state of the room as not joined, so
         we can know if we can join it, send messages to it, etc
         """
+        self.users = []
         self.joined = False
 
     def log_message(self, txt, time, nickname):