diff --git a/asmodee.py b/asmodee.py
index 9f3d0db..77b6c41 100755
--- a/asmodee.py
+++ b/asmodee.py
@@ -740,7 +740,9 @@ async def modo(room,message): # Definition d'un moderateur
 		lmod = modos.get(room.room_id)
 	except:
 		lmod = []
-	if (sender in admins or sender in lmod or sender == bot.client.user_id):	
+	if (lmod is None):
+		lmod = []
+	if (sender in admins or sender in lmod or sender == bot.client.user_id):
 		args = texte.split()
 		args.pop(0)
 		if (len(args) > 1 and args[0] == "add"):