diff --git a/tls-acme/templates/webpvc.yaml b/tls-acme/templates/webpvc.yaml
index ab864ff..afb351b 100644
--- a/tls-acme/templates/webpvc.yaml
+++ b/tls-acme/templates/webpvc.yaml
@@ -9,6 +9,6 @@ spec:
   resources:
     requests:
       storage: 1Gi
-  storageClassName: nfs-client
+  storageClassName: nfs-client-vast
   volumeMode: Filesystem
 {{- end }}