diff --git a/static/js/app.build.js b/static/js/app.build.js
index d368645..8ec29b6 100644
--- a/static/js/app.build.js
+++ b/static/js/app.build.js
@@ -37,7 +37,7 @@
      * mode to minify the code. Only available if REQUIRE_ENVIRONMENT is "rhino" (the default).
      * - "none": No minification will be done.
      */
-    optimize: "closure",
+    optimize: "uglify2",
     
     /*
      * By default, comments that have a license in them are preserved in the