diff --git a/meson.build b/meson.build
index 945886f..6fa74c7 100644
--- a/meson.build
+++ b/meson.build
@@ -268,7 +268,7 @@
 
 if get_option('systemd').allowed()
     systemd_system_unit_dir = dependency('systemd').get_variable(
-        'systemdsystemunitdir',
+        'systemd_system_unit_dir',
     )
     filesystem.copyfile(
         'pldmd/service_files/pldmd.service',