diff --git a/topologie/views.py b/topologie/views.py
index 97b01ebb..b57a5255 100644
--- a/topologie/views.py
+++ b/topologie/views.py
@@ -211,7 +211,7 @@ def index_ap(request):
 def index_stack(request):
     """Affichage de la liste des stacks (affiche l'ensemble des switches)"""
     stack_list = Stack.objects\
-        .prefetch_related('switch_set__domain__extension')
+        .prefetch_related('switch_set__interface_set__domain__extension')
     stack_list = SortTable.sort(
         stack_list,
         request.GET.get('col'),
diff --git a/users/urls.py b/users/urls.py
index fac55e44..b8f428b0 100644
--- a/users/urls.py
+++ b/users/urls.py
@@ -45,12 +45,12 @@ urlpatterns = [
     url(r'^del_group/(?P<userid>[0-9]+)/(?P<listrightid>[0-9]+)$', views.del_group, name='del-group'),
     url(r'^new_serviceuser/$', views.new_serviceuser, name='new-serviceuser'),
     url(
-        r'^edit_serviceuser/(?P<userid>[0-9]+)$',
+        r'^edit_serviceuser/(?P<serviceuserid>[0-9]+)$',
         views.edit_serviceuser,
         name='edit-serviceuser'
     ),
     url(
-        r'^del_serviceuser/(?P<userid>[0-9]+)$',
+        r'^del_serviceuser/(?P<serviceuserid>[0-9]+)$',
         views.del_serviceuser,
         name='del-serviceuser'
     ),
diff --git a/users/views.py b/users/views.py
index 73332e8b..8eb23bbf 100644
--- a/users/views.py
+++ b/users/views.py
@@ -305,36 +305,36 @@ def new_serviceuser(request):
 
 @login_required
 @can_edit(ServiceUser)
-def edit_serviceuser(request, user, userid):
+def edit_serviceuser(request, serviceuser, serviceuserid):
     """ Edit a ServiceUser """
-    user = EditServiceUserForm(request.POST or None, instance=user)
-    if user.is_valid():
-        user_object = user.save(commit=False)
+    serviceuser = EditServiceUserForm(request.POST or None, instance=serviceuser)
+    if serviceuser.is_valid():
+        user_object = serviceuser.save(commit=False)
         with transaction.atomic(), reversion.create_revision():
-            if user.cleaned_data['password']:
-                user_object.set_password(user.cleaned_data['password'])
+            if serviceuser.cleaned_data['password']:
+                user_object.set_password(serviceuser.cleaned_data['password'])
             user_object.save()
             reversion.set_user(request.user)
             reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
-                field for field in user.changed_data
+                field for field in serviceuser.changed_data
             ))
         messages.success(request, "L'user a bien été modifié")
         return redirect(reverse('users:index-serviceusers'))
-    return form({'userform': user, 'action_name':'Editer un serviceuser'}, 'users/user.html', request)
+    return form({'userform': serviceuser, 'action_name':'Editer un serviceuser'}, 'users/user.html', request)
 
 
 @login_required
 @can_delete(ServiceUser)
-def del_serviceuser(request, user, userid):
+def del_serviceuser(request, serviceuser, serviceuserid):
     """Suppression d'un ou plusieurs serviceusers"""
     if request.method == "POST":
         with transaction.atomic(), reversion.create_revision():
-            user.delete()
+            serviceuser.delete()
             reversion.set_user(request.user)
         messages.success(request, "L'user a été détruite")
         return redirect(reverse('users:index-serviceusers'))
     return form(
-        {'objet': user, 'objet_name': 'serviceuser'},
+        {'objet': serviceuser, 'objet_name': 'serviceuser'},
         'users/delete.html',
         request
     )