diff --git a/systemd.changes b/systemd.changes
index 50126bea..54376ba8 100644
--- a/systemd.changes
+++ b/systemd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Aug 19 08:15:15 UTC 2011 - fcrozat@suse.com
+
+- enable pam_systemd module, using pam-config.
+
 -------------------------------------------------------------------
 Thu Aug 18 07:31:12 UTC 2011 - aj@suse.de
 
diff --git a/systemd.spec b/systemd.spec
index 899b1da5..f126b5e8 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -43,6 +43,7 @@ Requires:       udev >= 172
 Requires:       dbus-1 >= 1.4.0
 Requires:       kbd
 Requires:       util-linux >= 2.19
+Requires:       pam-config
 Conflicts:      filesystem < 11.5
 Conflicts:      mkinitrd < 2.7.0
 Source0:        http://www.freedesktop.org/software/systemd/%{name}-%{version}.tar.bz2
@@ -183,6 +184,7 @@ ln -s systemd-random-seed-load.service %{buildroot}/lib/systemd/system/random.se
 %endif
 
 %post
+/usr/sbin/pam-config -a --systemd || :
 /bin/systemd-machine-id-setup >/dev/null 2>&1 || :
 /bin/systemctl daemon-reexec >/dev/null 2>&1 || :
 /sbin/ldconfig
@@ -205,9 +207,12 @@ fi
 
 %postun
 /sbin/ldconfig
-if [ $1 -ge 1 ] ; then
+if [ $1 -ge 1 ]; then
         /bin/systemctl try-restart systemd-logind.service >/dev/null 2>&1 || :
 fi
+if [ $1 -eq 0 ]; then
+  /usr/sbin/pam-config -d --systemd || :
+fi
 
 %preun
 if [ $1 -eq 0 ]; then