diff --git a/clusters/cl01tl/helm/rook-ceph/values.yaml b/clusters/cl01tl/helm/rook-ceph/values.yaml
index 49c6f9746..348dafcd2 100644
--- a/clusters/cl01tl/helm/rook-ceph/values.yaml
+++ b/clusters/cl01tl/helm/rook-ceph/values.yaml
@@ -136,7 +136,7 @@ rook-ceph-cluster:
           memory: 20Mi
     storage:
       useAllDevices: false
-      devicePathFilter: /dev/disk/by-partlabel/r-csi-disk"
+      devicePathFilter: "/dev/disk/by-partlabel/r-csi-disk"
       config:
         osdsPerDevice: "1"
   route: