diff --git a/tox.ini b/tox.ini
index 8aba9687a..30fb7a4a1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,7 +46,7 @@ changedir=
   centos7_cluster: {toxinidir}/tests/functional/centos/7/cluster
   # tests a 1 mon, 1 osd, 1 mds and 1 rgw centos7 cluster using docker
   docker_cluster: {toxinidir}/tests/functional/centos/7/docker-cluster
-  purge_cluster: {toxinidir}/tests/functional/centos/7/cluster
+  purge_cluster: {toxinidir}/tests/functional/ubuntu/16.04/cluster
   purge_dmcrypt: {toxinidir}/tests/functional/centos/7/dmcrypt-dedicated-journal
 commands=
   vagrant up --no-provision {posargs:--provider=virtualbox}