diff --git a/addons/account/models/account_payment.py b/addons/account/models/account_payment.py
index 4c5fc10f637..4716a188ca1 100644
--- a/addons/account/models/account_payment.py
+++ b/addons/account/models/account_payment.py
@@ -434,6 +434,8 @@ class account_payment(models.Model):
             if move_line.account_id.reconcile:
                 move_line_id = move_line.id
                 break;
+        if not self.partner_id:
+            raise UserError(_("Payments without a customer can't be matched"))
         action_context = {'company_ids': [self.company_id.id], 'partner_ids': [self.partner_id.commercial_partner_id.id]}
         if self.partner_type == 'customer':
             action_context.update({'mode': 'customers'})