diff --git a/ext/custom-addons/dp_custom/models/res_partner.py b/ext/custom-addons/dp_custom/models/res_partner.py
index 431c0dc3..86b442f6 100644
--- a/ext/custom-addons/dp_custom/models/res_partner.py
+++ b/ext/custom-addons/dp_custom/models/res_partner.py
@@ -313,7 +313,7 @@ class Partner(models.Model):
                 if item.applied_on == '2_product_category':
                     code = item.categ_id.code
                 if item.applied_on == '0_product_variant':
-                    code = item.product_tmpl_id.default_code
+                    code = item.product_id.product_tmpl_id.default_code
                 data.append({
                     'customer_id': partner_id.commercial_partner_id.portal_id,
                     'code': code,