diff --git a/tailbone/views/batch.py b/tailbone/views/batch.py
index 17d911d8..3af207c6 100644
--- a/tailbone/views/batch.py
+++ b/tailbone/views/batch.py
@@ -927,7 +927,7 @@ class FileBatchMasterView(BatchMasterView):
         model_title = cls.get_model_title()
 
         # download batch data file
-        config.add_route('{}.download'.format(route_prefix), '{}{{uuid}}/download'.format(url_prefix))
+        config.add_route('{}.download'.format(route_prefix), '{}/{{uuid}}/download'.format(url_prefix))
         config.add_view(cls, attr='download', route_name='{}.download'.format(route_prefix),
                         permission='{}.download'.format(permission_prefix))
         config.add_tailbone_permission(permission_prefix, '{}.download'.format(permission_prefix),