diff --git a/scripts/update.sh b/scripts/update.sh
index b8e714b..75509c5 100644
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -202,9 +202,10 @@ ensure_system(){
   fix_permissions
 
   # Scripts nach sbin
-  _sbin_install "${APP_DIR}/scripts/mailwolt-apply-domains" /usr/local/sbin/mailwolt-apply-domains
-  _sbin_install "${APP_DIR}/scripts/mailwolt-fetch-tags"    /usr/local/sbin/mailwolt-fetch-tags
-  _sbin_install "${APP_DIR}/scripts/update.sh"              /usr/local/sbin/mailwolt-update
+  _sbin_install "${APP_DIR}/scripts/mailwolt-apply-domains"   /usr/local/sbin/mailwolt-apply-domains
+  _sbin_install "${APP_DIR}/scripts/mailwolt-apply-hostname"  /usr/local/sbin/mailwolt-apply-hostname
+  _sbin_install "${APP_DIR}/scripts/mailwolt-fetch-tags"      /usr/local/sbin/mailwolt-fetch-tags
+  _sbin_install "${APP_DIR}/scripts/update.sh"                /usr/local/sbin/mailwolt-update
   _sbin_install "${APP_DIR}/scripts/mailwolt-clamav"          /usr/local/sbin/mailwolt-clamav
   _sbin_install "${APP_DIR}/scripts/mailwolt-backup"          /usr/local/sbin/mailwolt-backup
   _sbin_install "${APP_DIR}/scripts/mailwolt-sandbox-sync"    /usr/local/sbin/mailwolt-sandbox-sync
@@ -216,6 +217,7 @@ ensure_system(){
   _sudoers_add "$MW_SUDO" 'www-data ALL=(root) NOPASSWD: /usr/local/sbin/mailwolt-clamav'
   _sudoers_add "$MW_SUDO" 'www-data ALL=(root) NOPASSWD: /usr/local/sbin/mailwolt-backup'
   _sudoers_add "$MW_SUDO" 'www-data ALL=(root) NOPASSWD: /usr/local/sbin/mailwolt-sandbox-sync *'
+  _sudoers_add "$MW_SUDO" 'www-data ALL=(root) NOPASSWD: /usr/local/sbin/mailwolt-apply-hostname *'
   _sudoers_add "$MW_SUDO" 'www-data ALL=(root) NOPASSWD: /usr/bin/openssl x509 -enddate -noout -in /etc/letsencrypt/live/*/fullchain.pem'
   # Legacy-Files ebenfalls nachrüsten (falls vorhanden)
   for f in /etc/sudoers.d/mailwolt-certbot /etc/sudoers.d/mailwolt-dkim; do