diff --git a/config/unicorn.conf.rb b/config/unicorn.conf.rb
index 7f9c4fb9923..31c67713b4f 100644
--- a/config/unicorn.conf.rb
+++ b/config/unicorn.conf.rb
@@ -48,6 +48,9 @@ before_fork do |server, worker|
       table.classify.constantize.first rescue nil
     end
 
+    # router warm up
+    Rails.application.routes.recognize_path('abc') rescue nil
+
     # get rid of rubbish so we don't share it
     GC.start