diff --git a/config.jsonc b/config.jsonc
index d295fbc..20e4596 100644
--- a/config.jsonc
+++ b/config.jsonc
@@ -542,8 +542,8 @@ examples (config.SITENAME.jsonc) that are part of this pan.do/ra distribution.
             "sort": true
         },
         {
-            "id": "batch",
-            "title": "Batch",
+            "id": "chapters",
+            "title": "Chapters",
             "type": ["string"],
             "autocomplete": true,
             "columnWidth": 80,
@@ -551,15 +551,6 @@ examples (config.SITENAME.jsonc) that are part of this pan.do/ra distribution.
             "poster": true,
             "sort": true
         },
-        {
-            "id": "editingtags",
-            "title": "Editing Tags",
-            "type": ["string"],
-            "autocomplete": true,
-            "columnWidth": 380,
-            "filter": true,
-            "sort": true
-        },
         {
             "id": "tags",
             "title": "Tags",
diff --git a/render.py b/render.py
index cbf8828..16a8ac7 100644
--- a/render.py
+++ b/render.py
@@ -877,6 +877,7 @@ def shift_clips(data, offset):
     for clip in data:
         clip['in'] += offset
         clip['out'] += offset
+    return data
 
 def scene_subtitles(scene, options):
     import item.models
@@ -1076,7 +1077,9 @@ def join_subtitles(base_prefix, options):
     scenes = list(sorted(glob('%s/*/scene.json' % base_prefix)))
     data = []
     position = 0
-    for scene in scenes:
+    for scene_json in scenes:
+        with open(scene_json) as fd:
+            scene = json.load(fd)
         subs = scene_subtitles(scene, options)
         data += shift_clips(subs, position)
         position += get_scene_duration(scene)