diff --git a/lib/url.js b/lib/url.js
index 4b2ef9b68e..258bc864ee 100644
--- a/lib/url.js
+++ b/lib/url.js
@@ -97,7 +97,7 @@ function urlParse(url, parseQueryString, slashesDenoteHost) {
   return u;
 }
 
-Url.prototype.parse = function(url, parseQueryString, slashesDenoteHost) {
+Url.prototype.parse = function parse(url, parseQueryString, slashesDenoteHost) {
   if (typeof url !== 'string') {
     throw new TypeError('Parameter "url" must be a string, not ' + typeof url);
   }
@@ -567,7 +567,7 @@ function urlFormat(obj, options) {
   return obj.format();
 }
 
-Url.prototype.format = function() {
+Url.prototype.format = function format() {
   var auth = this.auth || '';
   if (auth) {
     auth = encodeAuth(auth);
@@ -652,7 +652,7 @@ function urlResolve(source, relative) {
   return urlParse(source, false, true).resolve(relative);
 }
 
-Url.prototype.resolve = function(relative) {
+Url.prototype.resolve = function resolve(relative) {
   return this.resolveObject(urlParse(relative, false, true)).format();
 };
 
@@ -661,7 +661,7 @@ function urlResolveObject(source, relative) {
   return urlParse(source, false, true).resolveObject(relative);
 }
 
-Url.prototype.resolveObject = function(relative) {
+Url.prototype.resolveObject = function resolveObject(relative) {
   if (typeof relative === 'string') {
     var rel = new Url();
     rel.parse(relative, false, true);
@@ -939,7 +939,7 @@ Url.prototype.resolveObject = function(relative) {
   return result;
 };
 
-Url.prototype.parseHost = function() {
+Url.prototype.parseHost = function parseHost() {
   var host = this.host;
   var port = portPattern.exec(host);
   if (port) {