diff --git a/ansible-docker-ubuntu/roles/services/files/dockerclean.timer b/ansible-docker-ubuntu/roles/services/files/dockerclean.timer
index 72efbf4..933b377 100644
--- a/ansible-docker-ubuntu/roles/services/files/dockerclean.timer
+++ b/ansible-docker-ubuntu/roles/services/files/dockerclean.timer
@@ -4,6 +4,7 @@ Description=run docker clean up
 [Timer]
 OnCalendar=weekly
 Persistent=true
+OnBootSec=60s
 
 [Install]
 WantedBy=multi-user.target