diff --git a/roles/pvc/tasks/ceph/bootstrap.yml b/roles/pvc/tasks/ceph/bootstrap.yml
index 708e76c..b975b96 100644
--- a/roles/pvc/tasks/ceph/bootstrap.yml
+++ b/roles/pvc/tasks/ceph/bootstrap.yml
@@ -72,6 +72,7 @@
     - "osd pool default pgp num = 256"
     - "osd crush chooseleaf type = 1"
     - "bluestore cache autotune = true"
+    - "rbd default features = 5"
 
 - name: add memory limit if requested
   lineinfile: