diff --git a/odex25_sales/dev_membership/models/membership_cancel_request.py b/odex25_sales/dev_membership/models/membership_cancel_request.py
index c199d6eff..e12ead7b4 100644
--- a/odex25_sales/dev_membership/models/membership_cancel_request.py
+++ b/odex25_sales/dev_membership/models/membership_cancel_request.py
@@ -23,9 +23,9 @@ class MembershipCancellationRequest(models.Model):
             # Convert request_date to a date if it's a datetime
             request_date = rec.request_date.date() if isinstance(rec.request_date, datetime) else rec.request_date
             # Check if the request date is before the membership end date
-            if request_date < rec.membership_id.to_date:
+            if request_date < rec.membership_id.partner_id.membership_end_date:
                 # Update the membership end date to the request date
-                rec.membership_id.to_date = request_date
+                rec.membership_id.partner_id.membership_end_date = request_date
             rec.state = 'approved'
             rec.membership_id.state = 'cancel'