diff --git a/tox.ini b/tox.ini
index a0bc13d645..16c323e799 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,7 +47,7 @@ deps =
 commands =
   {toxinidir}/tools/run-bashate.sh
   flake8 {posargs}
-  doc8 doc
+  doc8 doc/source
   python {toxinidir}/tools/validate-all-file.py
   bandit --skip B303 -r ansible kolla_ansible tests tools
   yamllint -s .