diff --git a/cotisations/payment_methods/comnpay/views.py b/cotisations/payment_methods/comnpay/views.py
index 5bfa2a82..cddb185a 100644
--- a/cotisations/payment_methods/comnpay/views.py
+++ b/cotisations/payment_methods/comnpay/views.py
@@ -55,7 +55,7 @@ def accept_payment(request, factureid):
         )
         # In case a cotisation was bought, inform the user, the
         # cotisation time has been extended too
-        if any(purchase.type_cotisation for purchase in invoice.vente_set.all()):
+        if any(purchase.test_membership_or_connection() for purchase in invoice.vente_set.all()):
             messages.success(
                 request,
                 _(