diff --git a/data/meson.build b/data/meson.build
index 2591e6a..dc1bd8d 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -69,7 +69,7 @@ if get_option('enable-backend')
         if systemd.found()
             sysusers_dir = systemd.get_variable(pkgconfig: 'sysusersdir')
         else
-            sysusers_dir = '/usr/lib/sysusers.d'
+            sysusers_dir = join_paths(get_option('prefix'), 'usr/lib/sysusers.d')
         endif
         configure_file(output: 'geoclue-sysusers.conf',
                        input: 'geoclue-sysusers.conf.in',