diff --git a/source/app/controllers/pacs/finkok/finkok.py b/source/app/controllers/pacs/finkok/finkok.py
index e9bfa6f..21acc9b 100644
--- a/source/app/controllers/pacs/finkok/finkok.py
+++ b/source/app/controllers/pacs/finkok/finkok.py
@@ -440,7 +440,7 @@ class PACFinkok(object):
 
         success = bool(result.users)
         if not success:
-            self.error = result.message or 'RFC no existe'
+            self._error = result.message or 'RFC no existe'
             return 0
 
         return result.users.ResellerUser[0].credit