diff --git a/tox.ini b/tox.ini
index 44404b3..c052dcb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,7 +22,7 @@ commands = flake8
 commands = {posargs}
 
 [testenv:cover]
-commands = python setup.py testr --coverage --coverage-package-name='os_testr' --testr-args='{posargs}'
+commands = python setup.py test --coverage --coverage-package-name='os_testr' --testr-args='{posargs}'
 
 [testenv:docs]
 commands = python setup.py build_sphinx