diff --git a/config/initializers/uglifier.rb b/config/initializers/uglifier.rb
new file mode 100644
index 0000000..32db887
--- /dev/null
+++ b/config/initializers/uglifier.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+if Rails.application.config.assets.js_compressor == :uglifier
+  Rails.application.config.assets.js_compressor = Uglifier.new(harmony: true)
+end