diff --git a/manifests/focalboard/values.yaml b/manifests/focalboard/values.yaml
index 8abf608..06a16b8 100644
--- a/manifests/focalboard/values.yaml
+++ b/manifests/focalboard/values.yaml
@@ -36,3 +36,4 @@ persistence:
   enabled: true
   size: 20Gi
   storageClass: nfs-client
+  accessMode: ReadWriteOnce