diff --git a/lib/filters.js b/lib/filters.js
index 9503ed67..baefcda7 100644
--- a/lib/filters.js
+++ b/lib/filters.js
@@ -56,7 +56,7 @@ export const refFilter = (data, { domain, domainOnly, raw }) => {
   const cleanUrl = url => {
     try {
       if (url === '') {
-        return 'direct/none';
+        return 'Direct / None';
       }
 
       const { hostname, origin, pathname, searchParams, protocol } = new URL(url);