diff --git a/moulinette/authenticators/__init__.py b/moulinette/authenticators/__init__.py
index a6e51fe2..21ec9a8d 100644
--- a/moulinette/authenticators/__init__.py
+++ b/moulinette/authenticators/__init__.py
@@ -130,7 +130,7 @@ class BaseAuthenticator(object):
                 s_id, s_token = token
                 # Attempt to authenticate
                 self._authenticate_session(s_id, s_token)
-            except MoulinetteError as e:
+            except MoulinetteError:
                 raise
             except Exception as e:
                 logger.exception(