diff --git a/gulpfile.ts b/gulpfile.ts
index ba0bc6c6d..efb780ddc 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -12,7 +12,7 @@ import * as glob from 'glob';
 import * as es from 'event-stream';
 import * as webpack from 'webpack-stream';
 import cssnano = require('gulp-cssnano');
-import * as uglify from 'gulp-uglify';
+//import * as uglify from 'gulp-uglify';
 import pug = require('gulp-pug');
 import * as rimraf from 'rimraf';
 import * as chalk from 'chalk';
@@ -131,7 +131,7 @@ gulp.task('build:client:scripts', () =>
 		webpack(require('./webpack.config'), require('webpack'))
 			.pipe(gulp.dest('./built/web/resources/')) as any,
 		gulp.src('./src/web/app/client/script.js')
-			.pipe(isProduction ? uglify() : gutil.noop())
+			//.pipe(isProduction ? uglify() : gutil.noop())
 			.pipe(gulp.dest('./built/web/resources/client/')) as any
 	)
 );
diff --git a/package.json b/package.json
index 77a44d849..eda4c81ac 100644
--- a/package.json
+++ b/package.json
@@ -138,7 +138,7 @@
     "ts-node": "2.1.0",
     "tslint": "4.5.1",
     "typescript": "2.2.1",
-    "uglify-js": "git+https://github.com/mishoo/UglifyJS2.git#e9920f7ca162ce062cc481b876be293d7324a714",
+    "uglify-js": "git+https://github.com/mishoo/UglifyJS2.git#8f4b45f4f814c04918382949b4bcaf7a8d910281",
     "uuid": "3.0.1",
     "velocity-animate": "1.4.3",
     "vhost": "3.0.2",