diff --git a/manifests/init.pp b/manifests/init.pp
index cca3597..ed28b06 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -54,4 +54,5 @@ class project_config(
   $nodepool_config_file           = "/etc/project-config/${base}nodepool/nodepool.yaml"
   $nodepool_config_file_zuulv3    = "/etc/project-config/${base}nodepool/nodepoolv3.yaml"
   $zuul_layout_dir                = "/etc/project-config/${base}zuul"
+  $zuul_site_variables_yaml       = "/etc/project-config/${base}zuul/site-variables.yaml"
 }