1 files changed, 2 insertions, 2 deletions
diff --git a/tox.ini b/tox.ini
index 89cc397..7a415bf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,12 +3,12 @@ envlist = py27, py32, py33, py34, py35, py36, pypy, flake8, checkspelling
 
 [testenv]
 deps = -rtest-requirements.txt
-commands = coverage run --source=markdown {toxinidir}/run-tests.py {posargs}
+commands = coverage run --source=markdown -m unittest discover {toxinidir}/tests
            coverage report --show-missing
 
 [testenv:flake8]
 deps = flake8
-commands = flake8 {toxinidir}/markdown {toxinidir}/tests {toxinidir}/setup.py {toxinidir}/run-tests.py
+commands = flake8 {toxinidir}/markdown {toxinidir}/tests {toxinidir}/setup.py
 
 [testenv:checkspelling]
 deps =