diff --git a/personal/radex/demo-next/prod.jsonnet b/personal/radex/demo-next/prod.jsonnet
index b0308d0..5710030 100644
--- a/personal/radex/demo-next/prod.jsonnet
+++ b/personal/radex/demo-next/prod.jsonnet
@@ -44,10 +44,8 @@
     },
 
     data: top.ns.Contain(kube.PersistentVolumeClaim("data")) {
-        storage: "1Gi",
-        spec+: {
-            storageClassName: "waw-hdd-redundant-3",
-        },
+        storage:: "1Gi",
+        storageClass:: "waw-hdd-redundant-3",
     },
     service: top.ns.Contain(kube.Service(cfg.name)) {
         target:: top.deployment,