diff --git a/meson.build b/meson.build
index 7d1b06e..4feb8f5 100644
--- a/meson.build
+++ b/meson.build
@@ -60,7 +60,7 @@
 )
 
 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')
 
 sdbusplus_dep = dependency('sdbusplus')