--- a/rollbot.py	Mon Jul 18 19:12:06 2016 +0800
+++ b/rollbot.py	Mon Jul 18 19:16:00 2016 +0800
@@ -243,9 +243,6 @@
     group.add_argument('-d', '--debug', help='set logging to DEBUG', const=logging.DEBUG, **extra)
 
     args = parser.parse_args()
-
-    logging.basicConfig(level=args.loglevel, format='%(asctime)s %(levelname)-8s %(message)s')
-
     config = yaml.safe_load(args.config) if hasattr(args, 'config') else {}
 
     jid = lookup('jid', args, config)
@@ -253,6 +250,10 @@
     nick = lookup('nick', args, config, default='rollbot')
     prefix = lookup('prefix', args, config, default='!')
 
+    logging.basicConfig(
+        level=args.loglevel,
+        format='%(asctime)s %(levelname)-8s %(message)s')
+
     rollbot = RollBot(jid, password, nick, prefix)
     rollbot.auto_authorize = True
     rollbot.auto_subscribe = True