diff --git a/yuthon_property_approval/models/inherit_yuthon_property.py b/yuthon_property_approval/models/inherit_yuthon_property.py
index 7c96a7235..7b04b093f 100644
--- a/yuthon_property_approval/models/inherit_yuthon_property.py
+++ b/yuthon_property_approval/models/inherit_yuthon_property.py
@@ -640,7 +640,7 @@ class PropertyRentList(models.Model):
                 ('lessee_id', '=', rec.lessee_id.id),
                 ('due_date', '>=', first_day_of_month),
                 ('due_date', '<=', last_day_of_month),
-                ('contract_id', 'in', rec.id),
+                ('contract_id', '=', rec.id),
             ], limit=1)
             if existing_receivable:
                 rec.unlink()
diff --git a/yuthon_property_approval/wizard/property_rental_wizard.py b/yuthon_property_approval/wizard/property_rental_wizard.py
index 11b2c7bff..338ee52d5 100644
--- a/yuthon_property_approval/wizard/property_rental_wizard.py
+++ b/yuthon_property_approval/wizard/property_rental_wizard.py
@@ -33,7 +33,7 @@ class PropertyRentalWizard(models.Model):
                 ('lessee_id', '=', record.lessee_id.id),
                 ('due_date', '>=', first_day_of_month),
                 ('due_date', '<=', last_day_of_month),
-                ('contract_id', 'in', record.id),
+                ('contract_id', '=', record.id),
             ], limit=1)
 
             if existing_receivable: