diff --git a/tox.ini b/tox.ini
index 8c629cf..3d175eb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,6 @@ deps = -r{toxinidir}/test-requirements.txt
 
 # At some point we should enable this since tox expects it to exist but
 # the code will need pep8ising first.
-#[testenv:pep8]
-#commands = flake8
-#dep = flake8
+[testenv:pep8]
+commands = flake8
+deps = flake8