diff --git a/ansible/roles/mastodon/tasks/main.yml b/ansible/roles/mastodon/tasks/main.yml
index ddd96c8..ae0bd98 100644
--- a/ansible/roles/mastodon/tasks/main.yml
+++ b/ansible/roles/mastodon/tasks/main.yml
@@ -34,5 +34,5 @@
     minute: 0
     weekday: 1
     job: /opt/mastodon/purge-media.sh
-    user: "{{ docker_user.name }}"
+    user: "{{ user }}"
   become: true