diff --git a/tasks/rdiff_backup_server.yml b/tasks/rdiff_backup_server.yml
index 1e2d55366f..b3a3eb75a7 100644
--- a/tasks/rdiff_backup_server.yml
+++ b/tasks/rdiff_backup_server.yml
@@ -18,3 +18,4 @@
   copy: src="{{ files }}/rdiff-backup/run-rdiff-backups.cron" dest=/etc/cron.d/run-rdiff-backups
   tags:
   - config
+  when: inventory_hostname.startswith('backup03')