diff --git a/VirtualBox.spec b/VirtualBox.spec
index 78b8b40..1f5aac6 100644
--- a/VirtualBox.spec
+++ b/VirtualBox.spec
@@ -18,7 +18,7 @@
 
 Name:          VirtualBox
 Version:       7.0.18
-Release:       1mamba
+Release:       2mamba
 Summary:       A general-purpose full virtualizer for x86 hardware
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
@@ -65,7 +65,7 @@ BuildRequires: libopenssl-devel
 BuildRequires: libpam-devel
 BuildRequires: libpng-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: libtpms-devel
+BuildRequires: libtss2-devel
 BuildRequires: libvncserver-devel
 BuildRequires: libvpx-devel
 BuildRequires: libxcb-devel
@@ -492,7 +492,7 @@ KERNEL=/boot/vmlinuz-$KVER
 :
 
 %postun web
-%systed_postun_with_restart wboxweb.service
+%systemd_postun_with_restart wboxweb.service
 :
 
 %post guest
@@ -506,8 +506,8 @@ KERNEL=/boot/vmlinuz-$KVER
 :
 
 %postun guest
-%systed_postun vboxdrmclient.path
-%systed_postun vboxservice.service
+%systemd_postun vboxdrmclient.path
+%systemd_postun vboxservice.service
 :
 
 %files
@@ -657,6 +657,9 @@ KERNEL=/boot/vmlinuz-$KVER
 %{_libdir}/%{name}/additions/VBoxGuestAdditions.iso
 
 %changelog
+* Fri Jun 21 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 7.0.18-2mamba
+- fix typos in systemd macros and empty virtualbox-guest.sysusers file
+
 * Sun May 05 2024 Automatic Build System <autodist@openmamba.org> 7.0.18-1mamba
 - automatic version update by autodist
 
diff --git a/virtualbox-guest.sysusers b/virtualbox-guest.sysusers
index e69de29..f4c6ccb 100644
--- a/virtualbox-guest.sysusers
+++ b/virtualbox-guest.sysusers
@@ -0,0 +1 @@
+g vboxsf - -