diff --git a/app/matrix/lib/synapse.libsonnet b/app/matrix/lib/synapse.libsonnet
index 925a715..07656da 100644
--- a/app/matrix/lib/synapse.libsonnet
+++ b/app/matrix/lib/synapse.libsonnet
@@ -31,8 +31,8 @@
     appservices:: error "appservices need to be provided",
 
     dataVolume: app.ns.Contain(kube.PersistentVolumeClaim("synapse-data-waw3")) {
-        storage: "50Gi",
-        storageClass: cfg.storageClassName,
+        storage:: "50Gi",
+        storageClass:: cfg.storageClassName,
     },
 
     // homeserver.yaml that will be used to run synapse (in configMap).