diff --git a/tox.ini b/tox.ini
index 0355126b..2339f429 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,7 +33,9 @@ commands = {posargs}
 
 [testenv:pep8]
 basepython = python3
-commands = flake8 {posargs}
+commands =
+    python setup.py check --restructuredtext --strict
+    flake8 {posargs}
 
 [testenv:venv]
 basepython = python3