--- core/scripts/bareos-config-lib.sh.in.orig	2023-03-03 18:31:34.000000000 +0200
+++ core/scripts/bareos-config-lib.sh.in	2023-03-03 18:58:35.163665093 +0200
@@ -998,7 +998,7 @@
 {
     # put actual short hostname in configuration files
     # try to get short hostname
-    hname=$(hostname -s)
+    hname=$(hostnamectl hostname)
     if [ -z "${hname}" ]; then
         # try to get long hostname
         hname=$(hostname|sed 's/\..*//g')