diff --git a/mail2redmine.py b/mail2redmine.py
index bcc51ba..7a39e18 100644
--- a/mail2redmine.py
+++ b/mail2redmine.py
@@ -48,7 +48,7 @@ def parse_attachment(data):
 def send_mail(to, subject, message):
     s = smtplib.SMTP('localhost')
     from_mail = 'redmine@entrouvert.com'
-    msg = email.mime.text.MIMEText(message)
+    msg = email.mime.text.MIMEText(message, 'plain', 'utf-8')
     msg['From'] = from_mail
     msg['To'] = to
     msg['Subject'] = subject