diff --git a/omv_backups_v3.py b/omv_backups_v3.py
index 33bf79e..43deb1a 100644
--- a/omv_backups_v3.py
+++ b/omv_backups_v3.py
@@ -4,6 +4,7 @@ from paho.mqtt import client as mqtt_client
 import getopt
 import json
 import time
+import socket
 import subprocess
 import sys
 import os
@@ -81,6 +82,12 @@ BACKUP_FS = "/srv/dev-disk-by-uuid-2f843500-95b6-43b0-bea1-9b67032989b8"
 if not host in backups:
     print(f"No backup jobs for {host}")
     sys.exit()
+try:
+    socket.gethostbyaddr("omv.home.lan")
+except socket.herror:
+    print("Unknown host")
+    sys.exit()
+
 for b in backups[host]:
     topic = "sectorq/omv/backups/{}".format(b.lower())
     if not backups[host][b]["active"]:
@@ -168,7 +175,7 @@ for b in backups[host]:
 
 print("Getting size of FS")
 #cmnd = "du -h --max-depth=0 {}".format(BACKUP_FS)
-cmnd = "df -h /srv/dev-disk-by-uuid-02fbe97a-cd9a-4511-8bd5-21f8516353ee |awk '{ print $3 }'|tail -1"
+cmnd = "ssh root@omv.home.lan 'df -h /srv/dev-disk-by-uuid-02fbe97a-cd9a-4511-8bd5-21f8516353ee |awk '{ print $3 }'|tail -1'"
 status, output = subprocess.getstatusoutput(cmnd)
 used_space = (output.split())[0]
 now = datetime.datetime.now()