diff --git a/addons/account/models/account_payment_method.py b/addons/account/models/account_payment_method.py
index ed5cb399208..915799766d2 100644
--- a/addons/account/models/account_payment_method.py
+++ b/addons/account/models/account_payment_method.py
@@ -161,7 +161,7 @@ class AccountPaymentMethodLine(models.Model):
         """
         unused_payment_method_lines = self
         for line in self:
-            payment_count = self.env['account.payment'].search_count([('payment_method_line_id', '=', line.id)])
+            payment_count = self.env['account.payment'].sudo().search_count([('payment_method_line_id', '=', line.id)])
             if payment_count > 0:
                 unused_payment_method_lines -= line