diff --git a/livecd-tools.spec b/livecd-tools.spec
index 18d0945..8cc8cb5 100644
--- a/livecd-tools.spec
+++ b/livecd-tools.spec
@@ -1,11 +1,11 @@
-%define liveuser_uid 999
+%define liveuser_uid 64999
 %define packager_groupid  65028
 %define packager_userid  65028
 %define        lpadmin_uid 65032
 %define        lpadmin_gid 65032
 Name:          livecd-tools
 Version:       5.6
-Release:       1mamba
+Release:       2mamba
 Summary:       Live cd environment and utilities
 Group:         System/Tools
 Vendor:        openmamba
@@ -16,6 +16,7 @@ Source0:       https://gitlab.mambasoft.it/openmamba/livecd-tools.git/v%{version
 Source2:       %{name}-Autostart-setkeyboard
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: setup
 ## AUTOBUILDREQ-END
 Requires(pre): rpm
 Requires(pre): udev
@@ -47,6 +48,7 @@ Requires(post):sudo
 Requires(post):system-base-openmamba
 Requires(post):desktop-base-openmamba
 Requires:      systemd
+Provides:      user(liveuser)
 
 %description -n live-user-environment
 Configure a default user ('liveuser') for live environment.
@@ -91,7 +93,7 @@ if [ $1 -eq 1 ]; then
    useradd liveuser \
       -c "Live User" \
       -G audio,filesharing,sysadmin,lpadmin,video,nopermfs,packager \
-      -u %{liveuser_uid}
+      -u %{liveuser_uid} || exit 1
    [ -e /home/liveuser ] || cp -a /etc/skel /home/liveuser
 fi
 :
@@ -202,6 +204,9 @@ fi
 %attr(-,liveuser,users) %dir /home/liveuser
 
 %changelog
+* Fri Jun 21 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 5.6-2mamba
+- change liveuser id from 999 to 64999 to fix id already used by systemd user in live medium creation
+
 * Wed May 08 2024 Automatic Build System <autodist@mambasoft.it> 5.6-1mamba
 - update to 5.6