diff --git a/deploy/longhorn.yaml b/deploy/longhorn.yaml
index 709705d..627b235 100644
--- a/deploy/longhorn.yaml
+++ b/deploy/longhorn.yaml
@@ -957,6 +957,7 @@ data:
       numberOfReplicas: "3"
       staleReplicaTimeout: "2880"
       fromBackup: ""
+      fsType: "ext4"
     #  backingImage: "bi-test"
     #  backingImageDataSourceType: "download"
     #  backingImageDataSourceParameters: '{"url": "https://backing-image-example.s3-region.amazonaws.com/test-backing-image"}'
diff --git a/examples/storageclass.yaml b/examples/storageclass.yaml
index 0a5e3bb..e3cf696 100644
--- a/examples/storageclass.yaml
+++ b/examples/storageclass.yaml
@@ -10,6 +10,7 @@ parameters:
   numberOfReplicas: "2"
   staleReplicaTimeout: "2880"
   fromBackup: ""
+  fsType: "ext4"
 #  backingImage: "bi-test"
 #  backingImageDataSourceType: "download"
 #  backingImageDataSourceParameters: '{"url": "https://backing-image-example.s3-region.amazonaws.com/test-backing-image"}'