diff --git a/data/Archlinux.yaml b/data/Archlinux.yaml
index 67e94054f..74cef28da 100644
--- a/data/Archlinux.yaml
+++ b/data/Archlinux.yaml
@@ -1,5 +1,5 @@
 ---
 prometheus::version: '2.2.0'
-prometheus::prometheus_install_method: 'package'
+prometheus::install_method: 'package'
 prometheus::bin_dir: '/usr/bin'
 prometheus::env_file_path: '/etc/default'