diff --git a/app/matrix/lib/coturn.libsonnet b/app/matrix/lib/coturn.libsonnet
index f4fef24..c27b196 100644
--- a/app/matrix/lib/coturn.libsonnet
+++ b/app/matrix/lib/coturn.libsonnet
@@ -60,14 +60,8 @@
     },
 
     dataVolume: app.ns.Contain(kube.PersistentVolumeClaim("coturn-data")) {
-        spec+: {
-            storageClassName: cfg.storageClassName,
-            resources: {
-                requests: {
-                    storage: "10Gi",
-                },
-            },
-        },
+        storage: "10Gi",
+        storageClass: cfg.storageClassName,
     },
 
     deployment: app.ns.Contain(kube.Deployment("coturn")) {