diff --git a/app/assets/javascripts/custom.js.coffee b/app/assets/javascripts/custom.js.coffee
--- a/app/assets/javascripts/custom.js.coffee
+++ b/app/assets/javascripts/custom.js.coffee
@@ -39,7 +39,7 @@
     return
 
   editor = ace.edit("editor")
-  editor.setTheme("ace/theme/monokai")
+  editor.setTheme("ace/theme/merbivore")
   editor.getSession().setMode("ace/mode/javascript")
 
   return