diff --git a/dlm.spec b/dlm.spec
index 1c5f29b..09560f3 100644
--- a/dlm.spec
+++ b/dlm.spec
@@ -1,6 +1,6 @@
 Name:           dlm
 Version:        3.99.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 License:        GPLv2 and GPLv2+ and LGPLv2+
 # For a breakdown of the licensing, see README.license
 Group:          System Environment/Kernel
@@ -13,6 +13,7 @@ BuildRequires:  systemd-units
 Requires:       %{name}-lib = %{version}-%{release}
 Source0:	http://people.redhat.com/teigland/%{name}-%{version}.tar.gz
 Patch0:		fix_udev_rules.patch
+Patch1:		fix_systemd_service.patch
 
 Requires(post): systemd-units
 Requires(preun): systemd-units
@@ -25,6 +26,7 @@ The kernel dlm requires a user daemon to control cluster membership.
 %prep
 %setup -q
 %patch0 -p1
+%patch1 -p1
 
 %build
 # upstream does not require configure
@@ -98,6 +100,9 @@ developing applications that use %{name}.
 %{_libdir}/pkgconfig/*.pc
 
 %changelog
+* Fri Feb  3 2012 Fabio M. Di Nitto <fdinitto@redhat.com> - 3.99.0-4
+- Fix systemd service to modprobe dlm
+
 * Fri Feb  3 2012 Fabio M. Di Nitto <fdinitto@redhat.com> - 3.99.0-3
 - Add patch to fix udev rules and make sure dlm_controld can find
   its devices
diff --git a/fix_systemd_service.patch b/fix_systemd_service.patch
new file mode 100644
index 0000000..080899d
--- /dev/null
+++ b/fix_systemd_service.patch
@@ -0,0 +1,24 @@
+commit 1ea3f422e7add8730e07029fc9f30aa38ddded2f
+Author: Fabio M. Di Nitto <fdinitto@redhat.com>
+Date:   Fri Feb 3 16:40:30 2012 +0100
+
+    systemd: modprobe dlm on start
+    
+    also add commented out modprobe removal on stop
+    
+    Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
+
+diff --git a/init/dlm.service b/init/dlm.service
+index e275843..17579c2 100644
+--- a/init/dlm.service
++++ b/init/dlm.service
+@@ -4,7 +4,9 @@ After=syslog.target network.target corosync.service
+ 
+ [Service]
+ Type=forking
++ExecStartPre=/sbin/modprobe dlm 
+ ExecStart=/usr/sbin/dlm_controld $OPTIONS
++#ExecStopPost=/sbin/modprobe -r dlm
+ 
+ [Install]
+ WantedBy=multi-user.target