diff --git a/index.js b/index.js
index 87b2c2b..84fdc4d 100644
--- a/index.js
+++ b/index.js
@@ -2,7 +2,13 @@
 
 const fp = require('fastify-plugin')
 const auth = require('basic-auth')
-const { Unauthorized } = require('http-errors')
+const createError = require('@fastify/error')
+
+const MissingOrBadAuthorizationHeader = createError(
+  'FST_BASIC_AUTH_MISSING_OR_BAD_AUTHORIZATION_HEADER',
+  'Missing or bad formatted authorization header',
+  401
+)
 
 async function basicPlugin (fastify, opts) {
   if (typeof opts.validate !== 'function') {
@@ -17,7 +23,7 @@ async function basicPlugin (fastify, opts) {
   function basicAuth (req, reply, next) {
     const credentials = auth.parse(req.headers[header])
     if (credentials == null) {
-      done(new Unauthorized('Missing or bad formatted authorization header'))
+      done(new MissingOrBadAuthorizationHeader())
     } else {
       const result = validate(credentials.name, credentials.pass, req, reply, done)
       if (result && typeof result.then === 'function') {
diff --git a/package.json b/package.json
index 0f47ecd..9da6054 100644
--- a/package.json
+++ b/package.json
@@ -33,9 +33,9 @@
     "tsd": "^0.22.0"
   },
   "dependencies": {
+    "@fastify/error": "^3.0.0",
     "basic-auth": "^2.0.1",
-    "fastify-plugin": "^3.0.0",
-    "http-errors": "^2.0.0"
+    "fastify-plugin": "^3.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/test.js b/test.js
index 401fe41..bd3159b 100644
--- a/test.js
+++ b/test.js
@@ -4,7 +4,6 @@ const { test } = require('tap')
 const Fastify = require('fastify')
 const basicAuth = require('./index')
 const fastifyAuth = require('@fastify/auth')
-const { Unauthorized } = require('http-errors')
 
 test('Basic', t => {
   t.plan(2)
@@ -476,6 +475,7 @@ test('Missing header', t => {
     t.equal(res.statusCode, 401)
     t.same(JSON.parse(res.payload), {
       statusCode: 401,
+      code: 'FST_BASIC_AUTH_MISSING_OR_BAD_AUTHORIZATION_HEADER',
       error: 'Unauthorized',
       message: 'Missing or bad formatted authorization header'
     })
@@ -567,7 +567,7 @@ test('setErrorHandler custom error and 401', t => {
 })
 
 test('Missing header and custom error handler', t => {
-  t.plan(4)
+  t.plan(6)
 
   const fastify = Fastify()
   fastify.register(basicAuth, { validate })
@@ -592,7 +592,9 @@ test('Missing header and custom error handler', t => {
   })
 
   fastify.setErrorHandler(function (err, req, reply) {
-    t.ok(err instanceof Unauthorized)
+    t.ok(err instanceof Error)
+    t.ok(err.statusCode === 401)
+    t.ok(err.code === 'FST_BASIC_AUTH_MISSING_OR_BAD_AUTHORIZATION_HEADER')
     reply.send(err)
   })
 
@@ -604,6 +606,7 @@ test('Missing header and custom error handler', t => {
     t.equal(res.statusCode, 401)
     t.same(JSON.parse(res.payload), {
       statusCode: 401,
+      code: 'FST_BASIC_AUTH_MISSING_OR_BAD_AUTHORIZATION_HEADER',
       error: 'Unauthorized',
       message: 'Missing or bad formatted authorization header'
     })