diff --git a/source/app/models/main.py b/source/app/models/main.py
index bbcdb9a..a03f6ff 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -2292,6 +2292,11 @@ class Facturas(BaseModel):
         auth = Emisor.get_auth()
         certificado = Certificado.select()[0]
         obj = Facturas.get(Facturas.id==id)
+
+        if obj.version == '3.2':
+            msg = 'No es posible cancelar CFDI 3.2'
+            return {'ok': False, 'msg': msg}
+
         data, result = util.cancel_xml(auth, obj.uuid, certificado)
         if data['ok']:
             obj.estatus = 'Cancelada'