diff --git a/lib/locomotive/steam/middlewares/renderer.rb b/lib/locomotive/steam/middlewares/renderer.rb
index <HASH>..<HASH> 100644
--- a/lib/locomotive/steam/middlewares/renderer.rb
+++ b/lib/locomotive/steam/middlewares/renderer.rb
@@ -113,6 +113,7 @@ module Locomotive::Steam
           'referer'     => request.referer,
           'url'         => request.url,
           'user_agent'  => request.user_agent,
+          'host'        => request.host_with_port
         }
       end
host variable was missing from <I>.x