diff --git a/addons_updater/config.json b/addons_updater/config.json
index d14826eb9..5d824bb1c 100644
--- a/addons_updater/config.json
+++ b/addons_updater/config.json
@@ -22,6 +22,7 @@
     "repository": "alexbelgium/hassio-addons"
   },
   "schema": {
+    "add_missing_fields": "bool?",
     "dry_run": "bool?",
     "gitapi": "str",
     "gitmail": "str?",