diff --git a/dev/zimit_ui_dev/config.json b/dev/zimit_ui_dev/config.json
index f0b53da..ea96ff3 100644
--- a/dev/zimit_ui_dev/config.json
+++ b/dev/zimit_ui_dev/config.json
@@ -12,6 +12,7 @@
     "lang",
     "title",
     "description",
+    "long_description",
     "favicon",
     "zim_file",
     "tags",