diff --git a/modules/cluster/default.nix b/modules/cluster/default.nix
index 5219c8e8..c51f8dba 100644
--- a/modules/cluster/default.nix
+++ b/modules/cluster/default.nix
@@ -54,7 +54,7 @@ in {
     enableDocker = false;
     dropPrivileges = false;
 
-    settings = {
+    settings = rec {
       datacenter = "c3d2";
       plugin.raw_exec.config.enabled = true;
       # no /dev/kvm otherwise. TODO: retry with nomad>1.3.3