diff --git a/addons/sale/models/sale.py b/addons/sale/models/sale.py
index eb17fa23830..ec7f92f1b98 100644
--- a/addons/sale/models/sale.py
+++ b/addons/sale/models/sale.py
@@ -259,7 +259,7 @@ class SaleOrder(models.Model):
     @api.depends('state')
     def _compute_type_name(self):
         for record in self:
-            record.type_name = _('Quotation') if self.state in ('draft', 'sent', 'cancel') else _('Sales Order')
+            record.type_name = _('Quotation') if record.state in ('draft', 'sent', 'cancel') else _('Sales Order')
 
     @api.multi
     def unlink(self):