diff --git a/lc_ldap.py b/lc_ldap.py
index 0fb6f4c..4e994bc 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -699,7 +699,7 @@ class CransLdapObject(object):
                 bl = attributs.blacklist(u'%s$%s$%s$%s' % ('-', '-', 'carte_etudiant', ''), {}, self.conn, False)
                 blacklist_liste.append(bl)
             if self['chbre'][0].value == '????':
-                bl = attributs.blacklist(u'%s$%s$%s$%s' % ('-', '-', 'chambre_invalide', ''), {}, self.conn, False)
+                bl = attributs.blacklist(u'%s$%s$%s$%s' % ('-', '-', 'chambre_invalide', ''), {}, self.conn)
                 blacklist_liste.append(bl)
         attrs = (self.attrs if self.mode not in ["w", "rw"] else self._modifs)
         blacklist_liste.extend(filter((lambda bl: bl.is_actif()), attrs.get("blacklist",[])))