diff --git a/roles/ceph-common/defaults/main.yml b/roles/ceph-common/defaults/main.yml
index 32a12dcf1..6a1de1908 100644
--- a/roles/ceph-common/defaults/main.yml
+++ b/roles/ceph-common/defaults/main.yml
@@ -49,7 +49,7 @@ osd_mount_options_xfs: noatime
 osd_mon_heartbeat_interval: 30
 # CRUSH
 pool_default_crush_rule: 0
-osd_crush_update_on_start: true
+osd_crush_update_on_start: "true"
 # Object backend
 osd_objectstore: filestore
 # Performance tuning