diff --git a/post_test_hook.sh b/post_test_hook.sh
index c4b758d97..776dbb429 100755
--- a/post_test_hook.sh
+++ b/post_test_hook.sh
@@ -9,6 +9,7 @@ DIR=$(cd $(dirname "$0") && pwd)
 echo "Running SDK functional test suite"
 sudo -H -u stack -i <<!
 source ~stack/devstack/accrc/admin/admin
+export OS_CLOUD=envvars
 echo 'Running tests with:'
 env | grep OS_
 cd ${DIR}
diff --git a/tox.ini b/tox.ini
index 6c13da826..1cd1216d8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,6 +14,7 @@ commands = python setup.py testr --slowest --testr-args='{posargs}'
 
 [testenv:functional]
 setenv = OS_TEST_PATH=./openstack/tests/functional
+passenv = OS_*
 
 [testenv:pep8]
 commands = flake8