diff --git a/hassio/addons/built-in.json b/hassio/addons/built-in.json
index 4d0b11ac6..2b802f355 100644
--- a/hassio/addons/built-in.json
+++ b/hassio/addons/built-in.json
@@ -1,10 +1,12 @@
 {
     "local": {
+        "slug": "local",
         "name": "Local Add-Ons",
         "url": "https://home-assistant.io/hassio",
         "maintainer": "By our self"
     },
     "core": {
+        "slug": "core",
         "name": "Built-in Add-Ons",
         "url": "https://home-assistant.io/addons",
         "maintainer": "Home Assistant authors"