diff --git a/lib/local-web-server.js b/lib/local-web-server.js
index 285888a..a41e8c7 100644
--- a/lib/local-web-server.js
+++ b/lib/local-web-server.js
@@ -14,7 +14,7 @@ const pathToRegexp = require('path-to-regexp')
 module.exports = localWebServer
 
 /**
- * Returns a Koa application you can launch or mix into an existing app. 
+ * Returns a Koa application you can launch or mix into an existing app.
  *
  * @param [options] {object} - options
  * @param [options.static] {object} - koa-static config
@@ -190,7 +190,7 @@ function proxyRequest (route, app) {
 
     /* test no keys remain in the new path */
     keys.length = 0
-    pathToRegexp(route.new, keys)
+    pathToRegexp(url.parse(route.new).path, keys)
     if (keys.length) {
       this.throw(500, `[PROXY] Invalid target URL: ${route.new}`)
       return next()
diff --git a/test/test.js b/test/test.js
index 7e186b5..9bf1f2e 100644
--- a/test/test.js
+++ b/test/test.js
@@ -9,7 +9,7 @@ function launchServer (app, options) {
   options = options || {}
   const path = `http://localhost:8100${options.path || '/'}`
   const server = http.createServer(app.callback())
-  return server.listen(8100, () => {
+  return server.listen(options.port || 8100, () => {
     const req = request(path, options.reqOptions)
     if (options.onSuccess) req.then(options.onSuccess)
     if (!options.leaveOpen) req.then(() => server.close())
@@ -164,3 +164,28 @@ test('rewrite: proxy', function(t){
     t.ok(/db_name/.test(response.data))
   }})
 })
+
+test('rewrite: proxy with port', function(t){
+  t.plan(2)
+  const one = localWebServer({
+    log: { format: 'none' },
+    static: { root: __dirname + '/fixture/one' }
+  })
+  const two = localWebServer({
+    log: { format: 'none' },
+    static: { root: __dirname + '/fixture/spa' },
+    rewrite: [ { from: '/test/*', to: 'http://localhost:9000/$1'} ]
+  })
+  const server1 = http.createServer(one.callback())
+  const server2 = http.createServer(two.callback())
+  server1.listen(9000, () => {
+     server2.listen(8100, () => {
+       request('http://localhost:8100/test/file.txt').then(response => {
+         t.strictEqual(response.res.statusCode, 200)
+         t.ok(/one/.test(response.data))
+         server1.close()
+         server2.close()
+       })
+     })
+  })
+})