diff --git a/lib/utils.js b/lib/utils.js
index b42473b..8eb83cf 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -135,4 +135,5 @@ function handleRoutes (value, opts) {
   if (opts.hideEmpty && value.length === 0) {
     return undefined
   }
+  return value
 }
diff --git a/package.json b/package.json
index 55bc136..2436e79 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "lint": "standard && npm run lint:typescript",
     "lint:fix": "standard --fix && npm run lint:typescript -- --fix",
     "lint:typescript": "standard --parser @typescript-eslint/parser --plugin @typescript-eslint/eslint-plugin *.ts test/**/*.ts",
-    "test": "node --test && npm run test:typescript",
+    "test": "node --test */*.test.js && npm run test:typescript",
     "test:typescript": "tsd"
   },
   "repository": {
diff --git a/test/index.test.js b/test/index.test.js
index 5bc2166..ca3732b 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -150,6 +150,30 @@ test('hide empty', async t => {
   })
 })
 
+test('hide empty with no routes filter', async t => {
+  const app = fastify({ exposeHeadRoutes: false })
+  await app.register(plugin)
+
+  app.get('/get', function noop () {})
+  app.get('/post', function noop () {})
+
+  await app.ready()
+  const root = app.overview({ hideEmpty: true })
+
+  t.assert.deepStrictEqual(root.routes, [
+    {
+      method: 'GET',
+      prefix: '',
+      url: '/get'
+    },
+    {
+      method: 'GET',
+      prefix: '',
+      url: '/post'
+    }
+  ])
+})
+
 test('filter routes with hide', async t => {
   const app = fastify({ exposeHeadRoutes: false })
   await app.register(plugin)
@@ -309,5 +333,5 @@ test('empty routes with no opts', async t => {
 
   const result = handleRoutes(value, opts)
 
-  t.assert.deepEqual(result, undefined)
+  t.assert.deepEqual(result, [])
 })