diff --git a/src/cucchiaiata/parser.py b/src/cucchiaiata/parser.py
index ca9152a..0f25886 100644
--- a/src/cucchiaiata/parser.py
+++ b/src/cucchiaiata/parser.py
@@ -66,7 +66,7 @@ class Parser:
                   verify=False)
         code = req.status_code
         if code != 200:
-            err = get_error_from_http(req)
+            err = self.get_error_from_http(req)
             raise Exception('unable to load url ({}): {} ({})'.format(self.remote_url,
                                                                       err,
                                                                       code))