diff --git a/service_files/meson.build b/service_files/meson.build
index baac30f..5b949a2 100644
--- a/service_files/meson.build
+++ b/service_files/meson.build
@@ -1,6 +1,6 @@
 systemd = dependency('systemd')
 systemd_system_unit_dir = systemd.get_variable(
-    'systemdsystemunitdir',
+    'systemd_system_unit_dir',
     pkgconfig_define: ['prefix', get_option('prefix')],
 )