diff --git a/attributs.py b/attributs.py
index 5a6d8b8..c6aa2b9 100644
--- a/attributs.py
+++ b/attributs.py
@@ -633,7 +633,7 @@ class mailExt(mail):
     singlevalue = False
     optional = True
     unique = True
-    legend = u"Mail externe"
+    legend = u"Mail de secours (optionnel)"
     can_modify = [soi, cableur, nounou]
     category = 'mail'
     ldap_name = "mailExt"
@@ -1625,7 +1625,7 @@ class certificat(Attr):
 
             for hostname in [data['subject']['CN']] + data['extensions'].get('subjectAltName',[]):
                 if hostname not in self.parent['hostCert']:
-                    self.parent['hostCert'].append(hostname)
+                    self.parent['hostCert'].append(unicode(hostname))
 
         self.value = certificat