diff --git a/macbook-tools.spec b/macbook-tools.spec
index f64a44e..b213a42 100644
--- a/macbook-tools.spec
+++ b/macbook-tools.spec
@@ -1,7 +1,7 @@
 %define kdedir /opt/kde3
 
 Name:          macbook-tools
-Version:       0.4.0
+Version:       0.4.1
 Release:       1mamba
 Summary:       Utilities for Apple MacBook and MacBook Pro
 Group:         System/Kernel and Hardware
@@ -43,10 +43,23 @@ Currently contains the backlight tool for MacBook for screen backlight handling
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
 
 %post
-[ -e /etc/init.d/macbook-tools ] && /sbin/chkconfig --del macbook-tools > /dev/null || true
+# remove obsolete lp modprobe line in modprobe.conf
+[ -e /etc/modprobe.conf ] && sed -i "/parport_pc/d" /etc/modprobe.conf
+if [ $1 -ge 1 ]; then
+   systemctl -q daemon-reload
+   systemctl -q enable applesmcd.service
+fi
+exit 0
+
+%preun
+if [ $1 -eq 0 ]; then
+   systemctl -q disable applesmcd.service
+fi
 exit 0
 
 %posttrans
+# legacy
+[ -e /etc/init.d/macbook-tools ] && /sbin/chkconfig --del macbook-tools > /dev/null || true
 # cleanup obsolete sysv broken links
 systemctl -q daemon-reload 2>&1 || :
 find /etc/rc*.d/* -xtype l -delete 2>/dev/null
@@ -54,7 +67,6 @@ exit 0
 
 %files
 %defattr(-,root,root)
-%{_unitdir}/appleir.service
 %{_unitdir}/applesmcd.service
 %{_bindir}/backlight
 %{_bindir}/applesmc
@@ -64,6 +76,9 @@ exit 0
 %doc COPYING
 
 %changelog
+* Wed Aug 05 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.1-1mamba
+- update to 0.4.1
+
 * Tue Mar 24 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.0-1mamba
 - update to 0.4.0