diff --git a/meson.build b/meson.build
index dbb94d6..fe0f58f 100644
--- a/meson.build
+++ b/meson.build
@@ -60,7 +60,7 @@
 endif
 
 systemd_system_unit_dir = dependency('systemd').get_variable(
-    'systemdsystemunitdir',
+    'systemd_system_unit_dir',
 )
 
 install_subdir(