diff --git a/roles/docker/tasks/post_deploy/mastodon.yml b/roles/docker/tasks/post_deploy/mastodon.yml
index 790e2d8..06c3bdd 100644
--- a/roles/docker/tasks/post_deploy/mastodon.yml
+++ b/roles/docker/tasks/post_deploy/mastodon.yml
@@ -4,7 +4,7 @@
   cron:
     name: Clean Mastodon media data older than a week
     cron_file: ansible_mastodon_clean_media
-    job: docker exec mastodon_web_1 tootctl media remove --days 7
+    job: docker exec mastodon-web-1 tootctl media remove --days 7
     special_time: daily
     user: root
     state: present
@@ -13,7 +13,7 @@
   cron:
     name: Clean Mastodon preview card data older than two weeks
     cron_file: ansible_mastodon_clean_preview_cards
-    job: docker exec mastodon_web_1 tootctl preview_cards remove --days 14
+    job: docker exec mastodon-web-1 tootctl preview_cards remove --days 14
     special_time: daily
     user: root
     state: present