diff --git a/metropolis/node/kubernetes/csi.go b/metropolis/node/kubernetes/csi.go
index 5ca6885..eb43ec0 100644
--- a/metropolis/node/kubernetes/csi.go
+++ b/metropolis/node/kubernetes/csi.go
@@ -142,17 +142,17 @@
 		for flag := range flagSet {
 			switch flag {
 			case "exec":
-				mountAttr.Attr_clr = unix.MOUNT_ATTR_NOEXEC
+				mountAttr.Attr_clr |= unix.MOUNT_ATTR_NOEXEC
 			case "noexec":
-				mountAttr.Attr_set = unix.MOUNT_ATTR_NOEXEC
+				mountAttr.Attr_set |= unix.MOUNT_ATTR_NOEXEC
 			case "dev":
-				mountAttr.Attr_clr = unix.MOUNT_ATTR_NODEV
+				mountAttr.Attr_clr |= unix.MOUNT_ATTR_NODEV
 			case "nodev":
-				mountAttr.Attr_set = unix.MOUNT_ATTR_NODEV
+				mountAttr.Attr_set |= unix.MOUNT_ATTR_NODEV
 			case "suid":
-				mountAttr.Attr_clr = unix.MOUNT_ATTR_NOSUID
+				mountAttr.Attr_clr |= unix.MOUNT_ATTR_NOSUID
 			case "nosuid":
-				mountAttr.Attr_set = unix.MOUNT_ATTR_NOSUID
+				mountAttr.Attr_set |= unix.MOUNT_ATTR_NOSUID
 			default:
 				return nil, status.Errorf(codes.InvalidArgument, "unknown mount flag: %s", flag)
 			}
diff --git a/metropolis/node/kubernetes/provisioner.go b/metropolis/node/kubernetes/provisioner.go
index aacb949..0c5f972 100644
--- a/metropolis/node/kubernetes/provisioner.go
+++ b/metropolis/node/kubernetes/provisioner.go
@@ -283,6 +283,7 @@
 
 	volumeID := "pvc-" + string(pvc.ObjectMeta.UID)
 	volumePath := p.volumePath(volumeID)
+	var mountOptions []string
 
 	p.logger.Infof("Creating local PV %s", volumeID)
 
@@ -301,6 +302,7 @@
 		if err := fsquota.SetQuota(volumePath, uint64(capacity), uint64(capacity)/inodeCapacityRatio); err != nil {
 			return fmt.Errorf("failed to update quota: %w", err)
 		}
+		mountOptions = storageClass.MountOptions
 	case v1.PersistentVolumeBlock:
 		imageFile, err := os.OpenFile(volumePath, os.O_CREATE|os.O_RDWR, 0644)
 		if err != nil {
@@ -349,6 +351,7 @@
 				},
 			},
 			StorageClassName:              *pvc.Spec.StorageClassName,
+			MountOptions:                  mountOptions,
 			PersistentVolumeReclaimPolicy: *storageClass.ReclaimPolicy,
 		},
 	}