diff --git a/yuthon_property/models/property_meter_archives.py b/yuthon_property/models/property_meter_archives.py
index a426a5c0c..e5dea749c 100644
--- a/yuthon_property/models/property_meter_archives.py
+++ b/yuthon_property/models/property_meter_archives.py
@@ -254,8 +254,8 @@ class MeterArchivesLine(models.Model):
                 else:
                     record.current_meter = 0
 
-    @api.constrains('line_loss', 'current_meter', 'unit')
-    def _constrains_receivables(self):
+    @api.onchange('line_loss', 'current_meter', 'unit')
+    def onchange_receivables(self):
         for record in self:
             if record.line_loss and record.current_meter and record.unit:
                 raw_value = record.current_meter * record.unit * (1 + record.line_loss) * record.gauge_magnification