diff --git a/lib/web_console/middleware.rb b/lib/web_console/middleware.rb
index 197a8efa..322a74a5 100644
--- a/lib/web_console/middleware.rb
+++ b/lib/web_console/middleware.rb
@@ -41,6 +41,7 @@ def call(env)
         template = Template.new(env, session)
 
         response.headers["X-Web-Console-Session-Id"] = session.id
+        response.headers["X-Web-Console-Mount-Point"] = mount_point
         response.write(template.render('index'))
         response.finish
       else