diff --git a/cotisations/models.py b/cotisations/models.py
index 3e5855f3..914dc115 100644
--- a/cotisations/models.py
+++ b/cotisations/models.py
@@ -182,10 +182,12 @@ class Facture(BaseInvoice):
     def can_delete(self, user_request, *args, **kwargs):
         if not user_request.has_perm('cotisations.delete_facture'):
             return False, _("You don't have the right to delete an invoice.")
-        if not self.user.can_edit(user_request, *args, **kwargs)[0]:
+        elif not user_request.has_perm('cotisations.change_all_facture') and \
+                not self.user.can_edit(user_request, *args, **kwargs)[0]:
             return False, _("You don't have the right to delete this user's "
                             "invoices.")
-        if self.control or not self.valid:
+        elif not user_request.has_perm('cotisations.change_all_facture') and \
+                (self.control or not self.valid):
             return False, _("You don't have the right to delete an invoice "
                             "already controlled or invalidated.")
         else:
diff --git a/cotisations/payment_methods/comnpay/views.py b/cotisations/payment_methods/comnpay/views.py
index 49dc496f..12a5747b 100644
--- a/cotisations/payment_methods/comnpay/views.py
+++ b/cotisations/payment_methods/comnpay/views.py
@@ -62,8 +62,8 @@ def accept_payment(request, factureid):
                 request,
                 _("The subscription of %(member_name)s was extended to"
                   " %(end_date)s.") % {
-                    'member_name': request.user.pseudo,
-                    'end_date': request.user.end_adhesion()
+                    'member_name': invoice.user.pseudo,
+                    'end_date': invoice.user.end_adhesion()
                 }
             )
     return redirect(reverse(