diff --git a/meson.build b/meson.build
index fee3005..65dc445 100644
--- a/meson.build
+++ b/meson.build
@@ -274,7 +274,7 @@
 )
 
 systemd = dependency('systemd')
-systemd_system_unit_dir = systemd.get_variable('systemdsystemunitdir')
+systemd_system_unit_dir = systemd.get_variable('systemd_system_unit_dir')
 subdir('service_files')
 subdir('target_files')