diff --git a/scim_app/core/signals.py b/scim_app/core/signals.py
index ff4ce38..c87c020 100644
--- a/scim_app/core/signals.py
+++ b/scim_app/core/signals.py
@@ -1,5 +1,5 @@
 def set_user_on_application_token(sender, **kwargs):
     instance = kwargs['instance']
     if kwargs['created'] and not instance.user:
-        instance.user = sender.user.get_queryset().first()
+        instance.user = instance.application.user
         instance.save()