diff --git a/attn/meson.build b/attn/meson.build
index 674e302..9bb0b78 100644
--- a/attn/meson.build
+++ b/attn/meson.build
@@ -27,7 +27,7 @@
     input: 'attn_handler.service.in',
     output: 'attn_handler.service',
     install: true,
-    install_dir: dependency('systemd').get_variable('systemdsystemunitdir'),
+    install_dir: dependency('systemd').get_variable('systemd_system_unit_dir'),
 )
 
 # install attention handler config file