diff --git a/models/ws.py b/models/ws.py
index 0041fc0f965f6b65e5462966cc7d5052d9f5f855..a2be5a513a063d407e35269bfd1f19f4387e1214 100644
--- a/models/ws.py
+++ b/models/ws.py
@@ -26,7 +26,7 @@ class ws_request(models.Model):
         ws_url = (self.env['ir.config_parameter'].sudo().get_param('financing.ws.url') or 'http://servicioscpz.credipaz.com/wsMIL/wsMIL.asmx') + '?WSDL'
         ws_client = Client(ws_url)
         try:
-            self.xml_res = ws_client.service.RegistrarVentaMil(sUsuario='odoo', sPassword='OdooP4sswd', sPin='20', xmlVenta=self.xml_req)
+            self.xml_res = ws_client.service.RegistrarVentaMil(sUsuario='odoo', sPassword='OdooP4sswd', sPin='203', xmlVenta=self.xml_req)
         except Exception as e:
             self.write({
                 'errors_ids': [(0, 0, {'name': _('Connection Error'), 'desc': e})]