diff --git a/addons/sale/controllers/product_configurator.py b/addons/sale/controllers/product_configurator.py
index 30d37fdde14..689603bdc3c 100644
--- a/addons/sale/controllers/product_configurator.py
+++ b/addons/sale/controllers/product_configurator.py
@@ -48,6 +48,10 @@ class ProductConfiguratorController(http.Controller):
         res = product_template._get_combination_info(combination, int(product_id or 0), int(add_qty or 1), pricelist)
         if 'parent_combination' in kw:
             parent_combination = request.env['product.template.attribute.value'].browse(kw.get('parent_combination'))
+            if not combination.exists() and product_id:
+                product = request.env['product.product'].browse(int(product_id))
+                if product.exists():
+                    combination = product.product_template_attribute_value_ids
             res.update({
                 'is_combination_possible': product_template._is_combination_possible(combination=combination, parent_combination=parent_combination),
             })