diff --git a/devstack/settings b/devstack/settings
index 92b8eb940..d2b6944a1 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -19,7 +19,6 @@
 enable_service zun-api
 enable_service zun-compute
 
-ZUN_USE_MOD_WSGI=True
 if [[ ${ZUN_DB_TYPE} == "etcd" ]]; then
     enable_service zun-etcd
 fi
diff --git a/zun/tests/contrib/gate_hook.sh b/zun/tests/contrib/gate_hook.sh
index a43b18d40..dc9ea55ec 100755
--- a/zun/tests/contrib/gate_hook.sh
+++ b/zun/tests/contrib/gate_hook.sh
@@ -22,6 +22,7 @@ driver=$1
 db=$2
 
 export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin kuryr-libnetwork http://git.openstack.org/openstack/kuryr-libnetwork"
+export DEVSTACK_LOCAL_CONFIG+=$'\n'"ZUN_USE_MOD_WSGI=True"
 
 if [ "$driver" = "docker" ]; then
     export DEVSTACK_LOCAL_CONFIG+=$'\n'"ZUN_DRIVER=docker"