diff --git a/man/meson.build b/man/meson.build
index e1697e6f6..edf9c709d 100644
--- a/man/meson.build
+++ b/man/meson.build
@@ -42,7 +42,7 @@ foreach tuple : manpages
     configuration : man_data,
   )
 
-  mandirn = join_paths(get_option('mandir'), 'man' + section)
+  mandirn = join_paths(mandir, 'man' + section)
 
   custom_target(
     man + '-target',
diff --git a/meson.build b/meson.build
index 2c21cce71..56d7297fc 100644
--- a/meson.build
+++ b/meson.build
@@ -44,6 +44,7 @@ assert(prefix.startswith('/'), 'Prefix is not absolute: "@0@"'.format(prefix))
 bindir = join_paths(prefix, get_option('bindir'))
 libdir = join_paths(prefix, get_option('libdir'))
 libexecdir = join_paths(prefix, get_option('libexecdir'))
+mandir = join_paths(prefix, get_option('mandir'))
 datadir = join_paths(prefix, get_option('datadir'))
 localstatedir = join_paths(prefix, get_option('localstatedir'))
 sysconfdir = join_paths(prefix, get_option('sysconfdir'))
@@ -453,6 +454,7 @@ summary = [
   'bindir:                        @0@'.format(bindir),
   'libdir:                        @0@'.format(libdir),
   'libexecdir:                    @0@'.format(libexecdir),
+  'mandir:                        @0@'.format(mandir),
   'datadir:                       @0@'.format(datadir),
   'sysconfdir:                    @0@'.format(sysconfdir),
   'localstatedir:                 @0@'.format(localstatedir),