diff --git a/inc/SP/Auth/Ldap/LdapBase.class.php b/inc/SP/Auth/Ldap/LdapBase.class.php
index ed0d7d58..fed253e4 100644
--- a/inc/SP/Auth/Ldap/LdapBase.class.php
+++ b/inc/SP/Auth/Ldap/LdapBase.class.php
@@ -52,7 +52,9 @@ abstract class LdapBase implements LdapInterface, AuthInterface
         'groupmembership',
         'uid',
         'givenname',
-        'sn'
+        'sn',
+        'userprincipalname',
+        'cn'
     ];
     /**
      * @var resource