diff --git a/app/Http/Controllers/Api/V1/ItemController.php b/app/Http/Controllers/Api/V1/ItemController.php
index c99fbba42..c264fc52d 100644
--- a/app/Http/Controllers/Api/V1/ItemController.php
+++ b/app/Http/Controllers/Api/V1/ItemController.php
@@ -40,6 +40,7 @@ class ItemController extends Controller
         'exhibition',
         'box',
         'location',
+        'location.tree',
     ];
 
     private $rangeables = ['date_earliest', 'date_latest', 'additionals.order'];