diff --git a/man/rules/meson.build b/man/rules/meson.build
index f98a55437c..9d375de83d 100644
--- a/man/rules/meson.build
+++ b/man/rules/meson.build
@@ -1193,7 +1193,7 @@ manpages = [
  ['systemd.net-naming-scheme', '7', [], ''],
  ['systemd.netdev', '5', [], 'ENABLE_NETWORKD'],
  ['systemd.network', '5', [], 'ENABLE_NETWORKD'],
- ['systemd.nspawn', '5', [], 'ENABLE_NSPAWN'],
+ ['systemd.nspawn', '5', [], ''],
  ['systemd.offline-updates', '7', [], ''],
  ['systemd.path', '5', [], ''],
  ['systemd.pcrlock', '5', ['systemd.pcrlock.d'], ''],