diff --git a/ansible/roles/cinder/templates/cinder.conf.j2 b/ansible/roles/cinder/templates/cinder.conf.j2
index ee8c018065..9a64347551 100644
--- a/ansible/roles/cinder/templates/cinder.conf.j2
+++ b/ansible/roles/cinder/templates/cinder.conf.j2
@@ -83,5 +83,6 @@ rbd_store_chunk_size = 4
 rados_connect_timeout = -1
 rbd_user = cinder
 rbd_secret_uuid = {{ rbd_secret_uuid }}
+report_discard_supported = True
 {% endif %}