diff --git a/tox.ini b/tox.ini
index 9725c7415..2a0064c60 100644
--- a/tox.ini
+++ b/tox.ini
@@ -53,7 +53,7 @@ setenv=
   docker_dmcrypt_journal_collocation: PLAYBOOK = site-docker.yml.sample
   rhcs: CEPH_RHCS = true
   jewel: CEPH_STABLE_RELEASE = jewel
-  jewel: CEPH_DOCKER_IMAGE_TAG = tag-build-master-jewel-centos-7
+  jewel: CEPH_DOCKER_IMAGE_TAG = tag-build-master-jewel-ubuntu-16.04
   kraken: CEPH_STABLE_RELEASE = kraken
   kraken: UPDATE_CEPH_STABLE_RELEASE = luminous
 deps=