diff --git a/tox.ini b/tox.ini
index dadbb2fe..97b77a14 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,7 @@ setenv =
 # tox corrupts __pycache__, solution from here:
     PYTHONDONTWRITEBYTECODE=1
 commands =
-    py.test []
+    py.test {posargs:jedi test}
 [testenv:py26]
 deps =
     unittest2