diff --git a/asmodee.py b/asmodee.py
index df87cb8..fc8ca2c 100755
--- a/asmodee.py
+++ b/asmodee.py
@@ -1273,7 +1273,11 @@ def bienvenue(event): # Affichage d'un message d'accueil aux nouveaux venus
 def modo(room,event): # Definition d'un moderateur
 	if (event['sender'] in admins):
 		global modos
-		lmod = modos[room.room_id]
+		lmod = []
+		try:
+			lmod = modos[room.room_id]
+		except:
+			lmod = []
 		args = event['content']['body'].split()
 		args.pop(0)
 		if (len(args) > 1 and args[0] == "add"):