diff --git a/tox.ini b/tox.ini
index 1f203d8810d2613924649bd99f8c67c77007d627..08605507f9962a1b519d7779d9bbefcc8a82519f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ deps =
 
 commands =
     coverage erase
-    coverage run --source inventory_provider -m py.test
+    coverage run --source inventory_provider -m py.test {posargs}
     coverage xml
     coverage html
     coverage report --fail-under 75