diff --git a/odex25_sales/dev_membership/models/membership_cancel_request.py b/odex25_sales/dev_membership/models/membership_cancel_request.py
index bcca18249..10ed6fcde 100644
--- a/odex25_sales/dev_membership/models/membership_cancel_request.py
+++ b/odex25_sales/dev_membership/models/membership_cancel_request.py
@@ -21,9 +21,9 @@ class MembershipCancellationRequest(models.Model):
     def action_approve(self):
         for rec in self:
             # Check if the request date is before the membership end date
-            if rec.request_date < rec.membership_id.membership_end_date:
+            if rec.request_date < rec.membership_id.to_date:
                 # Update the membership end date to the request date
-                rec.membership_id.membership_end_date = rec.request_date
+                rec.membership_id.to_date = rec.request_date
             rec.state = 'approved'
             rec.membership_id.state = 'cancel'