diff --git a/freeradius_utils/auth.py b/freeradius_utils/auth.py
index 1556102e..26da6cbe 100644
--- a/freeradius_utils/auth.py
+++ b/freeradius_utils/auth.py
@@ -284,11 +284,11 @@ def decide_vlan_and_register_macauth(switch_id, port_number, mac_address):
                 elif not room_user.first().has_access():
                     return (sw_name, 'Machine inconnue et adhérent non cotisant', VLAN_NOK)
                 else:
-                    result, reason = user.autoregister_machine(mac_address)
+                    result, reason = room_user.first().autoregister_machine(mac_address, ipv4.first())
                     if result:
                         return (sw_name, 'Access Ok, Capture de la mac...', VLAN_OK)
                     else:
-                        return (sw_name, u'Erreur dans le register mac %s' % reason, VLAN_NOK) 
+                        return (sw_name, u'Erreur dans le register mac %s' % reason + unicode(mac_address), VLAN_NOK) 
         elif not interface.first().is_active:
             return (sw_name, 'Machine non active / adherent non cotisant', VLAN_NOK)
         else:
diff --git a/users/models.py b/users/models.py
index bf9f579e..2b3d38d9 100644
--- a/users/models.py
+++ b/users/models.py
@@ -474,14 +474,12 @@ class User(AbstractBaseUser):
             machine_parent.clean()
             domain = Domain()
             domain.name = self.pseudo.replace('_','-').lower() + str(all_machines.count())
-            with transaction.atomic(), reversion.create_revision():
-                machine_parent.save()
-                interface_cible.machine = machine_parent
-                interface_cible.save()
-                domain.interface_parent = interface_cible
-                domain.clean()
-                domain.save()
-                reversion.set_comment("Autocapture radius")
+            machine_parent.save()
+            interface_cible.machine = machine_parent
+            interface_cible.save()
+            domain.interface_parent = interface_cible
+            domain.clean()
+            domain.save()
         except Exception as e:
             return False, e
         return True, "Ok"