diff --git a/tox.ini b/tox.ini
index 740dae2..48d8589 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ deps =
 commands =
     pip uninstall --yes django-oidc-provider
     pip install -e .
-    coverage run --omit=.tox/*,oidc_provider/tests/* {envbindir}/django-admin.py test oidc_provider --settings=oidc_provider.tests.app.settings
+    coverage run --omit=.tox/*,oidc_provider/tests/* {envbindir}/django-admin.py test {posargs:oidc_provider} --settings=oidc_provider.tests.app.settings
 
 [testenv:clean]