diff --git a/tox.ini b/tox.ini
index 44fdaebc8f..731a5f4c16 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,7 +42,7 @@ commands =
   doc8 doc
   python {toxinidir}/tools/validate-all-file.py
   bandit -r ansible kolla_ansible tests tools
-  yamllint .
+  yamllint -s .
 
 [testenv:bandit]
 commands = bandit -r ansible kolla_ansible tests tools