diff --git a/source/app/models/main.py b/source/app/models/main.py
index 483e720..d422e8a 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -5527,13 +5527,13 @@ class CfdiPagos(BaseModel):
             data = {'ok': False, 'msg': msg}
             return data
 
-        partner = tuple(set([f.factura.cliente.id for f in related]))
+        partner = tuple(set([f.factura.cliente.rfc for f in related]))
         if len(partner) > 1:
             msg = 'Facturas relacionadas a diferentes clientes'
             data = {'ok': False, 'msg': msg}
             return data
 
-        partner = partner[0]
+        partner = related[0].factura.cliente
         partner_name = related[0].factura.cliente.nombre
         regimen_fiscal = related[0].factura.regimen_fiscal