diff --git a/app/Http/Resources/ContactResource.php b/app/Http/Resources/ContactResource.php
index 5113e12..87221c5 100644
--- a/app/Http/Resources/ContactResource.php
+++ b/app/Http/Resources/ContactResource.php
@@ -30,6 +30,7 @@ class ContactResource extends JsonResource
             'visits' => $contact->visits,
             'timestamp' => $contact->timestamp->toISOString(),
             'app_user_id' => $contact->app_user_id,
+            'send_to_app_user_id' => null,
             'created_at' => $contact->created_at,
             'updated_at' => $contact->updated_at,
         ];