diff --git a/bmc/firmware-handler/meson.build b/bmc/firmware-handler/meson.build
index d544a24..9f89928 100644
--- a/bmc/firmware-handler/meson.build
+++ b/bmc/firmware-handler/meson.build
@@ -57,7 +57,7 @@
             output: data,
             configuration: conf_data,
             install: true,
-            install_dir: systemd.get_variable('systemdsystemunitdir'),
+            install_dir: systemd.get_variable('systemd_system_unit_dir'),
         )
     endforeach
 endif