diff --git a/man/custom-entities.ent.in b/man/custom-entities.ent.in
index 778d6e97e5..e2bd44e5e7 100644
--- a/man/custom-entities.ent.in
+++ b/man/custom-entities.ent.in
@@ -7,3 +7,4 @@
 <!ENTITY userenvgeneratordir @USER_ENV_GENERATOR_PATH@>
 <!ENTITY CERTIFICATE_ROOT @CERTIFICATE_ROOT@>
 <!ENTITY MEMORY_ACCOUNTING_DEFAULT @MEMORY_ACCOUNTING_DEFAULT_YES_NO@>
+<!ENTITY KILL_USER_PROCESSES @KILL_USER_PROCESSES_YES_NO@>
diff --git a/man/logind.conf.xml b/man/logind.conf.xml
index 3fa3e85736..25d4d3a1b2 100644
--- a/man/logind.conf.xml
+++ b/man/logind.conf.xml
@@ -1,6 +1,9 @@
 <?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!ENTITY % entities SYSTEM "custom-entities.ent" >
+%entities;
+]>
 
 <!--
   SPDX-License-Identifier: LGPL-2.1+
@@ -126,7 +129,7 @@
         corresponding to the session and all processes inside that scope will be
         terminated. If false, the scope is "abandoned", see
         <citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
-        and processes are not killed. Defaults to <literal>yes</literal>,
+        and processes are not killed. Defaults to <literal>&KILL_USER_PROCESSES;</literal>,
         but see the options <varname>KillOnlyUsers=</varname> and
         <varname>KillExcludeUsers=</varname> below.</para>
 
diff --git a/meson.build b/meson.build
index 1dfb84c94d..751ad3ded9 100644
--- a/meson.build
+++ b/meson.build
@@ -796,6 +796,7 @@ substs.set('GROUP_RENDER_MODE', get_option('group-render-mode'))
 
 kill_user_processes = get_option('default-kill-user-processes')
 conf.set10('KILL_USER_PROCESSES', kill_user_processes)
+conf.set_quoted('KILL_USER_PROCESSES_YES_NO', kill_user_processes ? 'yes' : 'no')
 substs.set('KILL_USER_PROCESSES', kill_user_processes ? 'yes' : 'no')
 
 dns_servers = get_option('dns-servers')