diff --git a/dovecot.spec b/dovecot.spec
index 7d7d506..4e46815 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -35,6 +35,11 @@ BuildRequires: mysql-devel
 BuildRequires: openldap-devel
 BuildRequires: krb5-devel
 
+BuildRequires: systemd-units
+Requires:      systemd-units
+Conflicts:     systemd < 38
+Conflicts:     filesystem < 3
+
 # gettext-devel is needed for running autoconf because of the
 # presence of AM_ICONV
 #BuildRequires: gettext-devel
@@ -131,7 +136,7 @@ export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
     --with-ssldir=%{ssldir}      \
     --with-solr                  \
 %if %{?fedora}0 > 140 || %{?rhel}0 > 60
-    --with-systemdsystemunitdir=/lib/systemd/system/  \
+    --with-systemdsystemunitdir=%{_unitdir}/  \
 %endif
     --with-docs
 
@@ -291,8 +296,8 @@ make check
 
 %if %{?fedora}0 > 140 || %{?rhel}0 > 60
 %config(noreplace) %{_sysconfdir}/tmpfiles.d/dovecot.conf
-/lib/systemd/system/dovecot.service
-/lib/systemd/system/dovecot.socket
+%{_unitdir}/dovecot.service
+%{_unitdir}/dovecot.socket
 %else
 %{_initddir}/dovecot
 %attr(0600,root,root) %config(noreplace) %{_sysconfdir}/sysconfig/dovecot