diff --git a/admin/controle_chartes_MA.py b/admin/controle_chartes_MA.py
index fd47f81f..9d252a2b 100755
--- a/admin/controle_chartes_MA.py
+++ b/admin/controle_chartes_MA.py
@@ -137,10 +137,10 @@ def spammer():
             if not debug:
                 From = u"ca@crans.org"
                 data=mail.generate('missing_charte_MA', {
-                    'To': to,
+                    'To': unicode(to),
                     'From': From,
                 })
-                actually_sendmail(u'ca@crans.org', (to,), data)
+                actually_sendmail(u'ca@crans.org', (unicode(to),), data)
 
 def __usage(message=None):
     """ Comment ça marche ? """