diff --git a/lc_ldap.py b/lc_ldap.py
index be6f438..1cd8c84 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -325,7 +325,7 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
                     continue
                 else:
                     # On crée l'attribut associé, pour parser sa valeur.
-                    my_id = attributs.attrify(unicode(i), attr, self, False, None)
+                    my_id = attributs.attrify(unicode(i), attr, self, None)
                     if my_id.value != i:
                         continue
                     else: