diff --git a/hosts/cube/grafana.nix b/hosts/cube/grafana.nix
index b1b68ab..4360bd1 100644
--- a/hosts/cube/grafana.nix
+++ b/hosts/cube/grafana.nix
@@ -21,9 +21,7 @@ in serverSystemConfiguration {
 
     settings.server.http_addr = "::";
 
-    settings.users = {
-      default_theme = "system";
-    };
+    settings.users.default_theme = "system";
   };
 
   services.nginx.virtualHosts.${fqdn} = {