diff --git a/lib/browser/objects.js b/lib/browser/objects.js
index aeea2b45..d9264de2 100644
--- a/lib/browser/objects.js
+++ b/lib/browser/objects.js
@@ -32,6 +32,7 @@ createMethods(RealmObject.prototype, objectTypes.OBJECT, [
     'isValid',
     'objectSchema',
     'linkingObjects',
+    'linkingObjectsCount',
     '_objectId',
     '_isSameObject',
 ]);