diff --git a/tox.ini b/tox.ini
index 9621f4e3dfc..8282848b751 100644
--- a/tox.ini
+++ b/tox.ini
@@ -97,6 +97,7 @@ setenv =
   {[testenv:functional]setenv}
   {[testenv:dsvm]setenv}
 passenv =
+  {[testenv]passenv}
   OS_TEST_DBAPI_ADMIN_CONNECTION
 deps =
   {[testenv:functional]deps}