diff --git a/devstack/settings b/devstack/settings
index f3cf03cb7..220e480b2 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -25,7 +25,7 @@ VITRAGE_PUBLIC_UWSGI=$VITRAGE_DIR/vitrage/api/app.wsgi
 VITRAGE_DATABASE=${VITRAGE_DATABASE:-mysql}
 
 # Vitrage connection info.
-VITRAGE_SERVICE_PROTOCOL=http
+VITRAGE_SERVICE_PROTOCOL=$SERVICE_PROTOCOL
 VITRAGE_SERVICE_HOST=$SERVICE_HOST
 VITRAGE_SERVICE_PORT=${VITRAGE_SERVICE_PORT:-8999}