diff --git a/models/res_partner.py b/models/res_partner.py
index 9d5ced4781f44c81e57e54bf0654ccedf159241b..121d888c6b72618768ae74a3464af0e977f6c84c 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -121,7 +121,7 @@ class ScopAlfrescoAdhesionPartner(models.Model):
             folder_coop = self.partner_cmis_folder
 
         # Create & store Facture d'adhésion
-        invoice_file = self.env.ref("account.account_invoices").render_qweb_pdf(
+        invoice_file = self.env.ref("account.account_invoices")._render_qweb_pdf(
             self.invoice_adhesion_id.id
         )[0]
         invoice_name = "Facture d'Adhésion"
@@ -145,7 +145,7 @@ class ScopAlfrescoAdhesionPartner(models.Model):
         # Create & store Courrier adhésion
         report_adhesion = self.env.ref(
             "cgscop_adhesion.cgscop_adhesion_report"
-        ).render_qweb_pdf(self.id)[0]
+        )._render_qweb_pdf(self.id)[0]
         courrier_name = "Courrier d'Adhésion"
         self.push_alfresco_file(
             file=report_adhesion,