diff --git a/dbus.spec b/dbus.spec
index 576508f..fe9e40a 100644
--- a/dbus.spec
+++ b/dbus.spec
@@ -3,7 +3,7 @@
 
 Name:          dbus
 Version:       1.13.8
-Release:       2mamba
+Release:       3mamba
 Summary:       A message bus, used for sending messages between applications
 Group:         System/Servers
 Vendor:        openmamba
@@ -50,6 +50,7 @@ BuildRequires: xmlto
 %endif
 Requires(pre): /usr/sbin/useradd
 Requires(pre): /sbin/chkconfig
+Requires(pre): filesystem >= 2.2-19mamba
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      dbus-tools
 Obsoletes:     dbus-tools
@@ -140,8 +141,8 @@ install -d 0755 %{buildroot}%{_datadir}/dbus-1/services
 install -d %{buildroot}%{_sysconfdir}/dbus-1/system.d/
 install -d %{buildroot}%{_sysconfdir}/dbus-1/session.d/
 install -d %{buildroot}%{_var}/lib/dbus
-[ -e %{buildroot}%{_var}/run/dbus ] && rmdir %{buildroot}%{_var}/run/dbus
-ln -s /run/dbus %{buildroot}%{_var}/run/dbus
+#[ -e %{buildroot}%{_var}/run/dbus ] && rmdir %{buildroot}%{_var}/run/dbus
+#ln -s /run/dbus %{buildroot}%{_var}/run/dbus
 
 #install -m 0755 %{S:1} %{buildroot}%{_initrddir}/messagebus
 #install -D -m 0755 %{S:2} %{buildroot}%{_sysconfdir}/profile.d/dbus-session.sh
@@ -151,12 +152,13 @@ ln -s /run/dbus %{buildroot}%{_var}/run/dbus
 
 %pre
 if [ $1 -ge 1 ]; then
-   # /var/run to /run upgrade with compatibility symlink
-   if [ -d /var/run/dbus -a ! -L /var/run/dbus -a ! -e /run/dbus ]; then
-      mkdir /run/dbus
-      mv /var/run/dbus/* /run/dbus
-	  rmdir /var/run/dbus
-   fi
+   %tmpfiles_create dbus.conf
+   ## /var/run to /run upgrade with compatibility symlink
+   #if [ -d /var/run/dbus -a ! -L /var/run/dbus -a ! -e /run/dbus ]; then
+   #   mkdir /run/dbus
+   #   mv /var/run/dbus/* /run/dbus
+   #   rmdir /var/run/dbus
+   #fi
    # add DBUS user
    /usr/sbin/groupadd messagebus -g %{messagebus_gid} &>/dev/null
    /usr/sbin/useradd -u %{messagebus_uid} -c 'DBUS user' -d /dev/null \
@@ -229,7 +231,7 @@ find /etc/rc[0-6].d/ -type l -xtype l -exec rm -f {} \;
 %{_datadir}/dbus-1/system.conf
 %{_datadir}/xml/dbus-1/busconfig.dtd
 %{_datadir}/xml/dbus-1/introspect.dtd
-%dir %{_var}/run/dbus
+#%dir %{_var}/run/dbus
 %dir %{_var}/lib/dbus
 %{_mandir}/man1/dbus-cleanup-sockets.*
 %{_mandir}/man1/dbus-daemon.*
@@ -266,6 +268,9 @@ find /etc/rc[0-6].d/ -type l -xtype l -exec rm -f {} \;
 %{_docdir}/dbus/*
 
 %changelog
+* Sun Mar 17 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.13.8-3mamba
+- remove legacy /var/run/dbus symlink, require filesystem-2.2-19mamba for /run  switch
+
 * Tue Mar 05 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.13.8-2mamba
 - remove profile.d/dbus-session.sh script; DBUS variables are exported by pam_systemd