diff --git a/yuthon_property/models/property_accounts_receivable.py b/yuthon_property/models/property_accounts_receivable.py
index dc510fe2f..d1c4befee 100644
--- a/yuthon_property/models/property_accounts_receivable.py
+++ b/yuthon_property/models/property_accounts_receivable.py
@@ -58,7 +58,7 @@ class PropertyAccountsReceivable(models.Model):
         else:
             self.void_date = False
 
-    @api.depends('discount_amount')
+    @api.onchange('discount_amount')
     def _onchange_discount_amount(self):
         for record in self:
             if record.discount_amount: