diff --git a/apps-kustomized/longhorn-storageclasses/fast.yaml b/apps-kustomized/longhorn-storageclasses/fast.yaml
index af2da9a..bc185e6 100644
--- a/apps-kustomized/longhorn-storageclasses/fast.yaml
+++ b/apps-kustomized/longhorn-storageclasses/fast.yaml
@@ -3,8 +3,8 @@ apiVersion: storage.k8s.io/v1
 metadata:
   name: longhorn-fast
 provisioner: driver.longhorn.io
+allowVolumeExpansion: true
 parameters:
-  allowVolumeExpansion: "true"
   numberOfReplicas: "2"
   staleReplicaTimeout: "480" # 8 hours in minutes
   diskSelector: "ssd"
diff --git a/apps-kustomized/longhorn-storageclasses/spinny.yaml b/apps-kustomized/longhorn-storageclasses/spinny.yaml
index 3f63f40..2a0df59 100644
--- a/apps-kustomized/longhorn-storageclasses/spinny.yaml
+++ b/apps-kustomized/longhorn-storageclasses/spinny.yaml
@@ -3,8 +3,8 @@ apiVersion: storage.k8s.io/v1
 metadata:
   name: longhorn-spinny
 provisioner: driver.longhorn.io
+allowVolumeExpansion: true
 parameters:
-  allowVolumeExpansion: "true"
   numberOfReplicas: "2"
   staleReplicaTimeout: "480" # 8 hours in minutes
   diskSelector: "spinny"