diff --git a/swh/loader/dir/loader.py b/swh/loader/dir/loader.py
--- a/swh/loader/dir/loader.py
+++ b/swh/loader/dir/loader.py
@@ -56,6 +56,8 @@
     """A bulk loader for a directory."""
     CONFIG_BASE_FILENAME = 'loader/dir'
 
+    visit_type = 'dir'
+
     def __init__(self, logging_class='swh.loader.dir.DirLoader',
                  config=None):
         super().__init__(logging_class=logging_class, config=config)