diff --git a/manifests/csi-controller.yaml b/manifests/csi-controller.yaml
index 3a2698f1..7aaa6b0b 100644
--- a/manifests/csi-controller.yaml
+++ b/manifests/csi-controller.yaml
@@ -125,6 +125,7 @@ spec:
           imagePullPolicy: IfNotPresent
           args:
             - --csi-address=$(ADDRESS)
+            - --default-fstype=ext4
             - --timeout=300s
             - --v=5
           env: