diff --git a/hackbot.py b/hackbot.py
index 61055c9..ca2fac6 100644
--- a/hackbot.py
+++ b/hackbot.py
@@ -66,7 +66,7 @@ class HackBot(IdleBot):
             else: 
                 logging.warning('Unknown command: {}'.format(command))
                 message = ': '.join((msg['mucnick'],
-                                '{} is not a valid command'.format(msg)))
+                                '"{}" is not a valid command'.format(command)))
                 self.answer_muc(message)
 
         # only for debugging