diff --git a/lib/mkdir.js b/lib/mkdir.js
index 72da33a..04e037b 100644
--- a/lib/mkdir.js
+++ b/lib/mkdir.js
@@ -2,7 +2,7 @@ var fs = require('fs')
 var path = require('path')
 
 
-function mkdirP (p, opts, f, made) {
+function mkdirs(p, opts, f, made) {
   if (typeof opts === 'function') {
     f = opts
     opts = {}
@@ -29,9 +29,9 @@ function mkdirP (p, opts, f, made) {
     }
     switch (er.code) {
       case 'ENOENT':
-        mkdirP(path.dirname(p), opts, function (er, made) {
+        mkdirs(path.dirname(p), opts, function (er, made) {
           if (er) cb(er, made)
-          else mkdirP(p, opts, cb, made)
+          else mkdirs(p, opts, cb, made)
         })
         break
 
@@ -50,7 +50,7 @@ function mkdirP (p, opts, f, made) {
   })
 }
 
-mkdirP.sync = function sync (p, opts, made) {
+function mkdirsSync (p, opts, made) {
   if (!opts || typeof opts !== 'object') {
     opts = { mode: opts }
   }
@@ -72,8 +72,8 @@ mkdirP.sync = function sync (p, opts, made) {
   catch (err0) {
     switch (err0.code) {
       case 'ENOENT' :
-        made = sync(path.dirname(p), opts, made)
-        sync(p, opts, made)
+        made = mkdirsSync(path.dirname(p), opts, made)
+        mkdirsSync(p, opts, made)
         break
 
       // In the case of any other error, just see if there's a dir
@@ -96,6 +96,6 @@ mkdirP.sync = function sync (p, opts, made) {
 }
 
 module.exports = {
-  mkdirs: mkdirP,
-  mkdirsSync: mkdirP.sync
+  mkdirs: mkdirs,
+  mkdirsSync: mkdirsSync
 }