diff --git a/tox.ini b/tox.ini
index 4a92134..6477101 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,7 @@ basepython = python3
 deps =
     flake8
     pep8-naming
-commands = flake8 .
+commands = flake8 readme_renderer tests
 
 [testenv:packaging]
 deps =
@@ -42,6 +42,5 @@ basepython = python3
 extras =
 
 [flake8]
-exclude = .tox,*.egg
 select = E,W,F,N
 max-line-length = 88