diff --git a/hassio/api/addons.py b/hassio/api/addons.py
index bb00750e2..d16ec10c4 100644
--- a/hassio/api/addons.py
+++ b/hassio/api/addons.py
@@ -106,6 +106,7 @@ class APIAddons(CoreSysAttributes):
 
         return {
             ATTR_NAME: addon.name,
+            ATTR_SLUG: addon.slug,
             ATTR_DESCRIPTON: addon.description,
             ATTR_LONG_DESCRIPTION: addon.long_description,
             ATTR_VERSION: addon.version_installed,