diff --git a/mxproxmox/proxmox-backup.timer b/mxproxmox/proxmox-backup.timer
index 2feeeeb..83ff55c 100644
--- a/mxproxmox/proxmox-backup.timer
+++ b/mxproxmox/proxmox-backup.timer
@@ -1,6 +1,8 @@
 [Unit]
 Description=Daily trigger of promox-backup.service
 
+ConditionHost=!deathofrats.molgen.mpg.de
+
 [Timer]
 OnCalendar=daily
 RandomizedDelaySec=24h