diff --git a/app/matrix/lib/appservice-telegram.libsonnet b/app/matrix/lib/appservice-telegram.libsonnet
index 7c1221c..5cfaf3a 100644
--- a/app/matrix/lib/appservice-telegram.libsonnet
+++ b/app/matrix/lib/appservice-telegram.libsonnet
@@ -58,15 +58,8 @@
 
         dataVolume: kube.PersistentVolumeClaim("appservice-telegram-%s" % [name]) {
             metadata+: cfg.metadata,
-            spec+: {
-                storageClassName: cfg.storageClassName,
-                accessModes: [ "ReadWriteOnce" ],
-                resources: {
-                    requests: {
-                        storage: "10Gi",
-                    },
-                },
-            },
+            storage: "10Gi",
+            storageClass: cfg.storageClassName,
         },
 
         bootstrapJob: if cfg.bootstrapJob then (kube.Job("appservice-telegram-%s-bootstrap" % [name]) {