diff --git a/moulinette/interfaces/__init__.py b/moulinette/interfaces/__init__.py
index ad6f2034..03ee8261 100644
--- a/moulinette/interfaces/__init__.py
+++ b/moulinette/interfaces/__init__.py
@@ -371,7 +371,7 @@ class _CallbackAction(argparse.Action):
         try:
             # Execute callback and get returned value
             value = self.callback(namespace, values, **self.callback_kwargs)
-        except:
+        except Exception:
             logger.exception(
                 "cannot get value from callback method "
                 "'{0}'".format(self.callback_method)