diff --git a/tox.ini b/tox.ini
index e6de2a8..02387a8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ deps = -r{toxinidir}/requirements-testing.txt
 
 [testenv:linters]
 interpreter=python2.7
-commands={[testenv]commands} pytest_bdd --pep8
+commands={[testenv]commands} pytest_bdd --pep8 -m pep8
 
 [testenv:py27-xdist]
 basepython=python2.7