diff --git a/app/matrix/lib/matrix.libsonnet b/app/matrix/lib/matrix.libsonnet
index c72b060..29cdaf5 100644
--- a/app/matrix/lib/matrix.libsonnet
+++ b/app/matrix/lib/matrix.libsonnet
@@ -97,8 +97,8 @@
 
     dataVolume: kube.PersistentVolumeClaim("synapse-data-waw3") {
         metadata+: app.metadata("synapse-data"),
-        storage: "50Gi",
-        storageClass: cfg.storageClassName,
+        storage:: "50Gi",
+        storageClass:: cfg.storageClassName,
     },
 
     // homeserver.yaml that will be used to run synapse (in synapseConfigMap).