diff --git a/grandlyon/scripts/mark-admin-roles.py b/grandlyon/scripts/mark-admin-roles.py
index 66afc58..6bbcf23 100644
--- a/grandlyon/scripts/mark-admin-roles.py
+++ b/grandlyon/scripts/mark-admin-roles.py
@@ -8,13 +8,11 @@ import sys
 
 from django.db.models.query import Q
 
-from django_rbac.utils import get_role_model, get_ou_model
+from authentic2.a2_rbac.models import OrganizationalUnit, Role
 
-Ou = get_ou_model()
-Role = get_role_model()
 
 name_dst = sys.argv[1]
-ou = Ou.objects.get(name=name_dst)
+ou = OrganizationalUnit.objects.get(name=name_dst)
 
 role = Role.objects.get(name=u'Administrateur %s' % name_dst, ou=ou)
 for subrole in Role.objects.filter(Q(slug='_a2-hobo-superuser', ou=ou) |