diff --git a/app/SETUP.sh b/app/SETUP.sh
index eaeeb0bc13..9993b52960 100755
--- a/app/SETUP.sh
+++ b/app/SETUP.sh
@@ -1,7 +1,16 @@
 #!/bin/bash
+
+INIFILE=/etc/openitcockpit/mysql.cnf
+
 ln -s /etc/openitcockpit/nagios.cfg /opt/openitc/nagios/etc/nagios.cfg
 sudo -g www-data /usr/share/openitcockpit/app/Console/cake schema update -y --connection default --file schema_itcockpit.php -s 26
 #sudo -g www-data /usr/share/openitcockpit/app/Console/cake schema update --plugin NagiosModule --file ndo.php --connection default
+
+echo "---------------------------------------------------------------"
+echo "Create new WebSocket Key"
+WEBSOCKET_KEY=$(php -r "echo bin2hex(openssl_random_pseudo_bytes(80, \$cstrong));")
+mysql "--defaults-extra-file=${INIFILE}" -e "UPDATE systemsettings SET \`systemsettings\`.\`value\`='${WEBSOCKET_KEY}' WHERE \`key\`='SUDO_SERVER.API_KEY';"
+
 oitc AclExtras.AclExtras aco_sync
 oitc compress
 oitc nagios_export --all
@@ -10,6 +19,7 @@ CODENAME=$(lsb_release -sc)
 if [ $CODENAME = "jessie" ] || [ $CODENAME = "xenial" ] || [ $CODENAME = "bionic" ] || [ $CODENAME = "stretch" ]; then
     systemctl restart nagios
     systemctl restart sudo_server
+    systemctl restart push_notification
 fi
 
 if [ $CODENAME = "trusty" ]; then