diff --git a/message/message.py b/message/message.py
index d692eac473e925f07d8cc1710caf934724103454..db4f9762eb93057b7d20939e97642b1e0b2538ed 100644
--- a/message/message.py
+++ b/message/message.py
@@ -14,7 +14,7 @@ class message(object):
             self.sc_key = sc_key
         elif messageTtpe == '1':
             if not mail:
-                raise Exception('sc_key can not be empty')
+                raise Exception('mail can not be empty')
             self.mail = mail
         self.messageTtpe = messageTtpe