diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index 243f4b5d..d26e33e0 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -2996,19 +2996,16 @@ if __name__ == '__main__':
     
     elif '--lock' in sys.argv:
         print "Liste des locks"
-        db = CransLdap()
-        for lock in db.list_locks():
+        for lock in crans_ldap().list_locks():
             print "%s\t %s" % (lock[1]["lockid"][0], lock[0].split(',')[0])
 
     elif '--purgelock' in sys.argv:
         print "Suppression de tous les locks"
-        db = CransLdap()
-        db.remove_lock('*')
+        crans_ldap().remove_lock('*')
 
     elif '--menage' in sys.argv:
         print "Ménage des machines des adhérents partis..."
-        db = CransLdap()
-        machines = db.search('paiement!=%s&host=*.crans.org' % ann_scol , 'w')['machine']
+        machines = crans_ldap().search('paiement!=%s&host=*.crans.org' % ann_scol , 'w')['machine']
         print "Destruction de %i machines" % len(machines)
         for m in machines:
             print 'Destruction de %s' % m.nom()