diff --git a/config/uglifyjs.config.js b/config/uglifyjs.config.js
index 2d74000c..02466cc1 100644
--- a/config/uglifyjs.config.js
+++ b/config/uglifyjs.config.js
@@ -7,12 +7,17 @@ module.exports = {
    * mangle: uglify 2's mangle option
    */
   mangle: true,
+  
+  /**
+   * keep_fnames: uglify 2's keep_fnames option
+   */
+  keep_fnames: true,
 
   /**
    * compress: uglify 2's compress option
    */
   compress: {
     toplevel: true,
-    pure_getters: true
+    pure_getters: true    
   }
-};
\ No newline at end of file
+};