diff --git a/gulp/less.js b/gulp/less.js
index fef218f45..d7672b5b3 100644
--- a/gulp/less.js
+++ b/gulp/less.js
@@ -1,10 +1,13 @@
 var gulp = require('gulp');
+
 var less = require('gulp-less');
+var postcss = require('gulp-postcss');
 var sourcemaps = require('gulp-sourcemaps');
-var print = require('gulp-print');
-var phantom = require('./phantom');
+var autoprefixer = require('autoprefixer-core');
 var livereload = require('gulp-livereload');
 
+var print = require('gulp-print');
+var phantom = require('./phantom');
 var paths = require('./paths');
 var errorHandler = require('./errorHandler');
 
@@ -55,8 +58,9 @@ gulp.task('less', function() {
             ieCompat        : true,
             strictImports   : true
         }))
+        .pipe(postcss([ autoprefixer({ browsers: ['last 2 versions'] }) ]))
         .on('error', errorHandler.onError)
-        .pipe(sourcemaps.write())
+        .pipe(sourcemaps.write(paths.dest.content))
         .pipe(gulp.dest(paths.dest.content))
         .pipe(livereload());
 });
diff --git a/package.json b/package.json
index a1517b5d6..a9ab175b7 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
   "gitHead": "9ff7aa1bf7fe38c4c5bdb92f56c8ad556916ed67",
   "readmeFilename": "readme.md",
   "dependencies": {
+    "autoprefixer-core": "5.2.1",
     "del": "1.2.0",
     "gulp": "3.9.0",
     "gulp-cached": "1.1.0",
@@ -24,6 +25,7 @@
     "gulp-jshint": "1.11.2",
     "gulp-less": "3.0.3",
     "gulp-livereload": "3.8.0",
+    "gulp-postcss": "5.1.10",
     "gulp-print": "1.1.0",
     "gulp-replace": "0.5.3",
     "gulp-run": "1.6.8",