diff --git a/layouts/_default/list.json b/layouts/_default/list.json
index 0cdf338..4727dcf 100644
--- a/layouts/_default/list.json
+++ b/layouts/_default/list.json
@@ -7,7 +7,7 @@
       "date": "{{ .Date }}",
       "url": "{{ .Permalink }}",
       "link": "{{ .RelPermalink }}",
-      "link_title": "{{ .LinkTitle }}"
+      "link_title": "{{ .LinkTitle }}",
       "parent": "{{ if .Parent }}{{ lower .Parent.Title }}{{ end }}",
       "tags": {{ jsonify .Params.tags }}
     }