diff --git a/watchdog.spec b/watchdog.spec
index 22b2583..ce74c4d 100644
--- a/watchdog.spec
+++ b/watchdog.spec
@@ -25,7 +25,10 @@ Requires(post):   /sbin/chkconfig
 Requires(postun): /sbin/chkconfig
 Requires(post):   /sbin/service
 Requires(postun): /sbin/service
-
+BuildRequires:    systemd-units
+Requires:         systemd-units
+Conflicts:        systemd < 38
+Conflicts:        filesystem < 3
 
 %description
 The watchdog program can be used as a powerful software watchdog daemon 
@@ -68,7 +71,7 @@ install -d -m0755 ${RPM_BUILD_ROOT}%{_sysconfdir}
 make DESTDIR=${RPM_BUILD_ROOT} install
 install -Dp -m0644 %{name}.sysconfig ${RPM_BUILD_ROOT}%{_sysconfdir}/sysconfig/watchdog
 install -Dp -m0755 %{SOURCE1} ${RPM_BUILD_ROOT}%{_initrddir}/watchdog
-install -Dp -m0644 %{SOURCE4} ${RPM_BUILD_ROOT}/lib/systemd/system/watchdog.service
+install -Dp -m0644 %{SOURCE4} ${RPM_BUILD_ROOT}%{_unitdir}/watchdog.service
 
 
 %clean
@@ -107,7 +110,7 @@ fi
 %{_mandir}/man8/watchdog.8*
 %{_mandir}/man8/wd_identify.8*
 %{_mandir}/man8/wd_keepalive.8*
-/lib/systemd/system/watchdog.service
+%{_unitdir}/watchdog.service
 
 
 %changelog