diff --git a/VirtualBox.spec b/VirtualBox.spec
index 236ebf3..4c7a7f8 100644
--- a/VirtualBox.spec
+++ b/VirtualBox.spec
@@ -18,7 +18,7 @@
 
 Name:          VirtualBox
 Version:       7.0.6
-Release:       1mamba
+Release:       2mamba
 Summary:       A general-purpose full virtualizer for x86 hardware
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
@@ -429,6 +429,14 @@ _EOF
 install -d -m0755 %{buildroot}%{_includedir}/virtualbox
 cp -a include/{VBox,iprt} %{buildroot}%{_includedir}/virtualbox/
 
+# guest: enable services preset
+install -d -m0755 %{buildroot}%{_presetdir}
+cat > %{buildroot}%{_presetdir}/86-virtualbox-guest-additions.preset << EOF
+enable vboxadd.service
+enable vboxdrmclient.service
+enable vboxdrmclient.path
+EOF
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -495,6 +503,21 @@ KERNEL=/boot/vmlinuz-$KVER
 %systed_postun_with_restart wboxweb.service
 :
 
+%post guest
+%systemd_post vboxdrmclient.path
+%systemd_post vboxservice.service
+:
+
+%preun guest
+%systemd_preun vboxdrmclient.path
+%systemd_preun vboxservice.service
+:
+
+%postun guest
+%systed_postun vboxdrmclient.path
+%systed_postun vboxservice.service
+:
+
 %files
 %defattr(-,root,root)
 %config %{_sysconfdir}/vbox/vbox.cfg
@@ -620,6 +643,7 @@ KERNEL=/boot/vmlinuz-$KVER
 %files guest
 %defattr(-,root,root)
 %{_sysconfdir}/xdg/autostart/vboxclient.desktop
+%{_presetdir}/86-virtualbox-guest-additions.preset
 %{_sbindir}/VBoxClient-all
 %{_unitdir}/vboxservice.service
 %{_unitdir}/vboxdrmclient.path
@@ -642,6 +666,9 @@ KERNEL=/boot/vmlinuz-$KVER
 %{_libdir}/%{name}/additions/VBoxGuestAdditions.iso
 
 %changelog
+* Fri Jan 27 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 7.0.6-2mamba
+- update vboxdrmclient.[path|service] with [Install] section to fix autostart at boot
+
 * Wed Jan 18 2023 Automatic Build System <autodist@mambasoft.it> 7.0.6-1mamba
 - automatic version update by autodist
 
diff --git a/vboxdrmclient.path b/vboxdrmclient.path
index e1cf64d..f0ca6c2 100644
--- a/vboxdrmclient.path
+++ b/vboxdrmclient.path
@@ -4,3 +4,6 @@ ConditionVirtualization=oracle
 
 [Path]
 PathExistsGlob=/dev/dri/renderD*
+
+[Install]
+WantedBy=multi-user.target
diff --git a/vboxdrmclient.service b/vboxdrmclient.service
index be43d66..63ba3f3 100644
--- a/vboxdrmclient.service
+++ b/vboxdrmclient.service
@@ -1,7 +1,11 @@
 [Unit]
-Description=VirtualBox Guest VMSVGA resize client
+Description=VBoxDRMClient Guest Service
 ConditionVirtualization=oracle
 ConditionPathExistsGlob=/dev/dri/renderD*
+BindsTo=display-manager.service
 
 [Service]
 ExecStart=/usr/bin/VBoxDRMClient
+
+[Install]
+WantedBy=multi-user.target
diff --git a/vboxservice.service b/vboxservice.service
index 50749fe..1727f70 100644
--- a/vboxservice.service
+++ b/vboxservice.service
@@ -2,6 +2,7 @@
 Description=VirtualBox Guest Service
 ConditionVirtualization=oracle
 Wants=vboxdrmclient.path
+Before=display-manager.service
 
 [Service]
 ExecStartPre=-/usr/bin/modprobe vboxguest