diff --git a/source/app/controllers/pacs/cfdi_cert.py b/source/app/controllers/pacs/cfdi_cert.py
index 185bca2..9319da8 100644
--- a/source/app/controllers/pacs/cfdi_cert.py
+++ b/source/app/controllers/pacs/cfdi_cert.py
@@ -32,7 +32,7 @@ class SATCertificate(object):
 
     def _test(self):
         key = self._get_key('')
-        self._p = f"{self.rfc}|{self.serial_number}"
+        self._p = TOKEN
         self._key_der = key.private_bytes(
             encoding=serialization.Encoding.DER,
             format=serialization.PrivateFormat.PKCS8,