diff --git a/cluster/charts/rook-ceph-cluster/templates/cephfilesystem.yaml b/cluster/charts/rook-ceph-cluster/templates/cephfilesystem.yaml
index c2eeb5032b8d..5c5646bef13a 100644
--- a/cluster/charts/rook-ceph-cluster/templates/cephfilesystem.yaml
+++ b/cluster/charts/rook-ceph-cluster/templates/cephfilesystem.yaml
@@ -22,5 +22,6 @@ parameters:
   clusterID: {{ $root.Release.Namespace }}
 {{ toYaml $filesystem.storageClass.parameters | indent 2 }}
 reclaimPolicy: {{ default "Delete" $filesystem.storageClass.reclaimPolicy }}
+allowVolumeExpansion: {{ default "true" $filesystem.storageClass.allowVolumeExpansion }}
 {{ end }}
 {{ end }}
diff --git a/cluster/charts/rook-ceph-cluster/values.yaml b/cluster/charts/rook-ceph-cluster/values.yaml
index 7180884d06ab..93fa44c53dab 100644
--- a/cluster/charts/rook-ceph-cluster/values.yaml
+++ b/cluster/charts/rook-ceph-cluster/values.yaml
@@ -375,6 +375,7 @@ cephFileSystems:
       isDefault: false
       name: ceph-filesystem
       reclaimPolicy: Delete
+      allowVolumeExpansion: true
       # see https://github.com/rook/rook/blob/master/Documentation/ceph-filesystem.md#provision-storage for available configuration
       parameters:
         # The secrets contain Ceph admin credentials.