diff --git a/clusters/cl01tl/applications/cops/values.yaml b/clusters/cl01tl/applications/cops/values.yaml
index ff5fafa34..5543fda77 100644
--- a/clusters/cl01tl/applications/cops/values.yaml
+++ b/clusters/cl01tl/applications/cops/values.yaml
@@ -44,7 +44,7 @@ cops:
             - path: /config
               readOnly: false
     books:
-      existingClaim: calibre-server-nfs-storage
+      existingClaim: cops-nfs-storage
       advancedMounts:
         main:
           main: