diff --git a/nummer5/hosts.conf b/nummer5/hosts.conf
index 9ac316e..dc19c38 100644
--- a/nummer5/hosts.conf
+++ b/nummer5/hosts.conf
@@ -1 +1,2 @@
 hosts="pine01.wks pine02.wks pine03.wks pine04.wks pine05.wks adm01.wks ebin01.wks ebin02.wks"
+domain="wks"
diff --git a/nummer5/nummer5-host-powercycle.sh b/nummer5/nummer5-host-powercycle.sh
index d20507b..b890a45 100755
--- a/nummer5/nummer5-host-powercycle.sh
+++ b/nummer5/nummer5-host-powercycle.sh
@@ -1,10 +1,12 @@
 #!/bin/bash
+. hosts.conf
 
 host=$1
+hostname=$(echo ${host} | sed s/\.${domain}//)
+MOSQ="mosquitto_pub -h mqtt.wks -t switch_cloud/switch/${hostname}/command -m"
 echo "${host} turning it off"
-mosquitto_pub -h mqtt.wks -t switch_cloud/switch/${host}/command -m OFF
+${MOSQ} OFF
 sleep 2
 echo "${host} turning it on"
-mosquitto_pub -h mqtt.wks -t switch_cloud/switch/${host}/command -m ON
-
+${MOSQ} ON
 ping -W 1 ${host}