diff --git a/monitoring.sh b/monitoring.sh
index f1af06f..c349624 100755
--- a/monitoring.sh
+++ b/monitoring.sh
@@ -114,6 +114,15 @@ else
 	echo "OK"
 fi
 
+if systemctl is-failed vnstat.service
+then
+	echo "vnstat läuft nicht"
+	fehler=1
+	fehlermeldung="$fehlermeldung\nvnstat: not active"
+else
+	echo "OK"
+fi
+
 if systemctl is-failed isc-dhcp-server.service
 then
 	echo "dhcp-Server läuft nicht"