diff --git a/js/BoxMenuGroupView.js b/js/BoxMenuGroupView.js
index 638b4a0..f483fb9 100644
--- a/js/BoxMenuGroupView.js
+++ b/js/BoxMenuGroupView.js
@@ -16,7 +16,8 @@ class BoxMenuGroupView extends MenuItemView {
 
   updateItemCount() {
     const models = this.model.getChildren().where({
-      _isHidden: false
+      _isHidden: false,
+      _isAvailable: true
     });
     const totalChildren = models.length;
     models.forEach(model => model.set('_totalChild', totalChildren));