diff --git a/source/app/models/main.py b/source/app/models/main.py
index 7ecf8d0..2d3c7a1 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -7446,7 +7446,7 @@ class CfdiPagos(BaseModel):
         partner_name = related[0].factura.cliente.nombre
         receptor_regimen = related[0].factura.receptor_regimen
 
-        if not receptor_regimen == '':
+        if not receptor_regimen:
             receptor_regimen = SociosRegimenes.get_by_socio_first(partner)
 
         if not receptor_regimen: