diff --git a/config/environments/production.rb b/config/environments/production.rb
index dc3bab9a2..d12b86a27 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -22,6 +22,9 @@
   # Apache or NGINX already handles this.
   config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
 
+  # Compress JS using a preprocessor.
+  config.assets.js_compressor = :uglifier
+
   # Compress CSS using a preprocessor.
   # config.assets.css_compressor = :sass