diff --git a/linux/system/repo_local/maas.yml b/linux/system/repo_local/maas.yml
index 1a5b487..23605d6 100644
--- a/linux/system/repo_local/maas.yml
+++ b/linux/system/repo_local/maas.yml
@@ -6,6 +6,6 @@
       repo:
         maas:
           refresh_db: ${_param:linux_repo_refresh_db}
-          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:linux_system_codename}/ ${_param:apt_mk_version} maas"
+          source: "deb [arch=amd64] http://${_param:local_repo_url}/${_param:linux_system_codename}/ ${_param:mcp_version} maas"
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"