diff --git a/tox.ini b/tox.ini
index 3f79ce2..0881beb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,3 +7,6 @@ skipsdist = True
 deps = yamllint
 commands =
     {toxinidir}/tools/yamllint.sh
+
+[testenv:venv]
+commands = {posargs}