diff --git a/homeassistant/components/hassio/__init__.py b/homeassistant/components/hassio/__init__.py
index ce3b5b05ffe..972942caf52 100644
--- a/homeassistant/components/hassio/__init__.py
+++ b/homeassistant/components/hassio/__init__.py
@@ -196,7 +196,7 @@ SCHEMA_BACKUP_PARTIAL = SCHEMA_BACKUP_FULL.extend(
     {
         vol.Optional(ATTR_HOMEASSISTANT): cv.boolean,
         vol.Optional(ATTR_FOLDERS): vol.All(cv.ensure_list, [cv.string]),
-        vol.Optional(ATTR_ADDONS): vol.All(cv.ensure_list, [cv.slug]),
+        vol.Optional(ATTR_ADDONS): vol.All(cv.ensure_list, [VALID_ADDON_SLUG]),
     }
 )
 
@@ -211,7 +211,7 @@ SCHEMA_RESTORE_PARTIAL = SCHEMA_RESTORE_FULL.extend(
     {
         vol.Optional(ATTR_HOMEASSISTANT): cv.boolean,
         vol.Optional(ATTR_FOLDERS): vol.All(cv.ensure_list, [cv.string]),
-        vol.Optional(ATTR_ADDONS): vol.All(cv.ensure_list, [cv.slug]),
+        vol.Optional(ATTR_ADDONS): vol.All(cv.ensure_list, [VALID_ADDON_SLUG]),
     }
 )