diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index c9f4b79..52294fd 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -1,25 +1,25 @@
 # plugin.sh - DevStack plugin.sh dispatch script zun-ui
 
-HIGGINS_UI_DIR=$(cd $(dirname $BASH_SOURCE)/.. && pwd)
+ZUN_UI_DIR=$(cd $(dirname $BASH_SOURCE)/.. && pwd)
 
 function install_zun_ui {
     # NOTE(shu-mutou): workaround for devstack bug: 1540328
     # where devstack install 'test-requirements' but should not do it
     # for zun-ui project as it installs Horizon from url.
     # Remove following two 'mv' commands when mentioned bug is fixed.
-    mv $HIGGINS_UI_DIR/test-requirements.txt $HIGGINS_UI_DIR/_test-requirements.txt
+    mv $ZUN_UI_DIR/test-requirements.txt $ZUN_UI_DIR/_test-requirements.txt
 
-    setup_develop ${HIGGINS_UI_DIR}
+    setup_develop ${ZUN_UI_DIR}
 
-    mv $HIGGINS_UI_DIR/_test-requirements.txt $HIGGINS_UI_DIR/test-requirements.txt
+    mv $ZUN_UI_DIR/_test-requirements.txt $ZUN_UI_DIR/test-requirements.txt
 }
 
 function configure_zun_ui {
-    cp -a ${HIGGINS_UI_DIR}/zun_ui/enabled/* ${DEST}/horizon/openstack_dashboard/local/enabled/
+    cp -a ${ZUN_UI_DIR}/zun_ui/enabled/* ${DEST}/horizon/openstack_dashboard/local/enabled/
     # NOTE: If locale directory does not exist, compilemessages will fail,
     # so check for an existence of locale directory is required.
-    if [ -d ${HIGGINS_UI_DIR}/zun_ui/locale ]; then
-        (cd ${HIGGINS_UI_DIR}/zun_ui; DJANGO_SETTINGS_MODULE=openstack_dashboard.settings ../manage.py compilemessages)
+    if [ -d ${ZUN_UI_DIR}/zun_ui/locale ]; then
+        (cd ${ZUN_UI_DIR}/zun_ui; DJANGO_SETTINGS_MODULE=openstack_dashboard.settings ../manage.py compilemessages)
     fi
 }