diff --git a/addons/sale/models/sale_order_line.py b/addons/sale/models/sale_order_line.py
index 57ffa16b05c..74ccba17bf6 100644
--- a/addons/sale/models/sale_order_line.py
+++ b/addons/sale/models/sale_order_line.py
@@ -299,8 +299,9 @@ class SaleOrderLine(models.Model):
         for line in self:
             if not line.product_id:
                 continue
-
-            name = line.with_context(lang=line.order_partner_id.lang)._get_sale_order_line_multiline_description_sale()
+            if not line.order_partner_id.is_public:
+                line = line.with_context(lang=line.order_partner_id.lang)
+            name = line._get_sale_order_line_multiline_description_sale()
             if line.is_downpayment and not line.display_type:
                 context = {'lang': line.order_partner_id.lang}
                 dp_state = line._get_downpayment_state()