diff --git a/lib/types/urlencoded.js b/lib/types/urlencoded.js
index 273395cb..687745f8 100644
--- a/lib/types/urlencoded.js
+++ b/lib/types/urlencoded.js
@@ -52,10 +52,6 @@ function urlencoded (options) {
     throw new TypeError('option verify must be function')
   }
 
-  var depth = typeof opts.depth !== 'number'
-    ? Number(opts.depth || 32)
-    : opts.depth
-
   var defaultCharset = opts.defaultCharset || 'utf-8'
   if (defaultCharset !== 'utf-8' && defaultCharset !== 'iso-8859-1') {
     throw new TypeError('option defaultCharset must be either utf-8 or iso-8859-1')
@@ -121,8 +117,7 @@ function urlencoded (options) {
       limit: limit,
       verify: verify,
       charsetSentinel: charsetSentinel,
-      interpretNumericEntities: interpretNumericEntities,
-      depth: depth
+      interpretNumericEntities: interpretNumericEntities
     })
   }
 }
@@ -139,10 +134,7 @@ function createQueryParser (options, extended) {
     : 1000
   var charsetSentinel = options.charsetSentinel
   var interpretNumericEntities = options.interpretNumericEntities
-
-  var depth = typeof options.depth !== 'number'
-    ? Number(options.depth || 32)
-    : options.depth
+  var depth = extended ? (options.depth !== undefined ? options.depth : 32) : 0
 
   if (isNaN(parameterLimit) || parameterLimit < 1) {
     throw new TypeError('option parameterLimit must be a positive number')
diff --git a/test/urlencoded.js b/test/urlencoded.js
index dbf9841f..4ff9ab56 100644
--- a/test/urlencoded.js
+++ b/test/urlencoded.js
@@ -166,7 +166,7 @@ describe('bodyParser.urlencoded()', function () {
       .post('/')
       .set('Content-Type', 'application/x-www-form-urlencoded')
       .send('user[name][first]=Tobi')
-      .expect(200, '{"user":{"name":{"first":"Tobi"}}}', done)
+      .expect(200, '{"user[name][first]":"Tobi"}', done)
   })
 
   describe('with extended option', function () {
@@ -180,7 +180,7 @@ describe('bodyParser.urlencoded()', function () {
           .post('/')
           .set('Content-Type', 'application/x-www-form-urlencoded')
           .send('user[name][first]=Tobi')
-          .expect(200, '{"user":{"name":{"first":"Tobi"}}}', done)
+          .expect(200, '{"user[name][first]":"Tobi"}', done)
       })
 
       it('should parse multiple key instances', function (done) {
@@ -295,7 +295,7 @@ describe('bodyParser.urlencoded()', function () {
 
   describe('with depth option', function () {
     describe('when custom value set', function () {
-      it('should reject non possitive numbers', function () {
+      it('should reject non positive numbers', function () {
         assert.throws(createServer.bind(null, { extended: true, depth: -1 }),
           /TypeError: option depth must be a zero or a positive number/)
         assert.throws(createServer.bind(null, { extended: true, depth: NaN }),
@@ -325,7 +325,7 @@ describe('bodyParser.urlencoded()', function () {
 
     describe('when default value', function () {
       before(function () {
-        this.server = createServer({ })
+        this.server = createServer({ extended: true })
       })
 
       it('should parse deeply nested objects', function (done) {