diff --git a/modules/openstack_project/files/jenkins_job_builder/config/neutron-functional.yaml b/modules/openstack_project/files/jenkins_job_builder/config/neutron-functional.yaml
index 7d40546eee..142d9f57e2 100644
--- a/modules/openstack_project/files/jenkins_job_builder/config/neutron-functional.yaml
+++ b/modules/openstack_project/files/jenkins_job_builder/config/neutron-functional.yaml
@@ -25,11 +25,12 @@
 
           function post_test_hook {{
               $BASE/new/devstack/unstack.sh
+              export OS_SUDO_TESTING=1
               cd $BASE/new/neutron
               # Run tests as the stack user to allow sudo.
               sudo chown -R stack:stack $BASE/new/neutron
               echo "Running neutron functional test suite"
-              sudo -H -u stack OS_SUDO_TESTING=1 tox -e functional
+              sudo -H -u stack tox -e functional
           }}
           export -f post_test_hook
           cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh