diff --git a/config.ru b/config.ru
index bd83b25..ddef26a 100644
--- a/config.ru
+++ b/config.ru
@@ -1,4 +1,8 @@
 # This file is used by Rack-based servers to start the application.
 
 require ::File.expand_path('../config/environment', __FILE__)
-run Rails.application
+#run Rails.application
+
+map Mezuro::Application.config.relative_url_root || "/" do
+  run Rails.application
+end
--
libgit2 0.21.2