diff --git a/cinder/files/juno/cinder.conf.controller.Debian b/cinder/files/juno/cinder.conf.controller.Debian
index 19913e0..1a712c4 100644
--- a/cinder/files/juno/cinder.conf.controller.Debian
+++ b/cinder/files/juno/cinder.conf.controller.Debian
@@ -265,7 +265,7 @@
 # Flatten volumes created from snapshots to remove dependency
 # from volume to snapshot (boolean value)
 #rbd_flatten_volume_from_snapshot=false
-rbd_flatten_volume_from_snapshot={{ volume.storage.get('flatten_volume_from_snapshot', 'false') }}
+rbd_flatten_volume_from_snapshot={{ controller.storage.get('flatten_volume_from_snapshot', 'false') }}
 
 # The libvirt uuid of the secret for the rbd_user volumes
 # (string value)