diff --git a/roles/run-tempest/defaults/main.yaml b/roles/run-tempest/defaults/main.yaml
index 85e94f2..c89eb93 100644
--- a/roles/run-tempest/defaults/main.yaml
+++ b/roles/run-tempest/defaults/main.yaml
@@ -1,3 +1,4 @@
 devstack_base_dir: /opt/stack
 tempest_test_regex: ''
 tox_envlist: smoke
+tempest_black_regex: ''