diff --git a/meson.build b/meson.build
index c5d05e3..0f5117e 100644
--- a/meson.build
+++ b/meson.build
@@ -128,7 +128,7 @@
 meson.override_find_program('mapperx', mapperx)
 
 systemd_system_unit_dir = dependency('systemd').get_variable(
-    'systemdsystemunitdir',
+    'systemd_system_unit_dir',
 )
 
 conf = configuration_data()