diff --git a/mail2redmine.py b/mail2redmine.py
index 9582c0f..3f4b3c1 100644
--- a/mail2redmine.py
+++ b/mail2redmine.py
@@ -58,8 +58,8 @@ def send_mail(to, subject, message):
     s.quit()
 
 
-def create_ticket(email):
-    mail = email.message_from_string(email)
+def create_ticket(mail):
+    mail = email.message_from_string(mail)
     r = Redmine(REDMINE_URL, key=REDMINE_KEY)
     from_name, from_email = email.utils.parseaddr(mail['From'])
     users = r.user.filter(name=from_email)