diff --git a/node_modules/uglify-es/lib/minify.js b/node_modules/uglify-es/lib/minify.js
index ee1d478..966f7ad 100644
--- a/node_modules/uglify-es/lib/minify.js
+++ b/node_modules/uglify-es/lib/minify.js
@@ -51,7 +51,7 @@ function minify(files, options) {
             ie8: false,
             keep_classnames: undefined,
             keep_fnames: false,
-            mangle: {},
+            mangle: false, // !!!!!!!!!!!!!!!!!!!!
             nameCache: null,
             output: {},
             parse: {},