diff --git a/plugins/lib/fileconv/loaders.py b/plugins/lib/fileconv/loaders.py
index aa66564a..501ab073 100644
--- a/plugins/lib/fileconv/loaders.py
+++ b/plugins/lib/fileconv/loaders.py
@@ -295,7 +295,7 @@ def parse(self, *args, **kwargs):
         """To be implemented. Should return the parsed data from
         ``self.file_path`` as a Python object.
         """
-        pass
+        raise NotImplementedError
 
 
 class JSONLoader(LoaderProto):