diff --git a/addons/sale_management/models/sale_order_template.py b/addons/sale_management/models/sale_order_template.py
index da85a4e5904..183644099b5 100644
--- a/addons/sale_management/models/sale_order_template.py
+++ b/addons/sale_management/models/sale_order_template.py
@@ -156,7 +156,7 @@ class SaleOrderTemplateLine(models.Model):
 
     product_id = fields.Many2one(
         comodel_name='product.product',
-        required=True, check_company=True,
+        check_company=True,
         domain="[('sale_ok', '=', True), ('company_id', 'in', [company_id, False])]")
 
     name = fields.Text(