diff --git a/actionpack/lib/action_dispatch/routing.rb b/actionpack/lib/action_dispatch/routing.rb
index 1e005d25f7..f42e3a79c0 100644
--- a/actionpack/lib/action_dispatch/routing.rb
+++ b/actionpack/lib/action_dispatch/routing.rb
@@ -250,7 +250,9 @@ module ActionDispatch
 
     autoload :Mapper
     autoload :RouteSet
-    autoload :RoutesProxy
+    eager_autoload do
+      autoload :RoutesProxy
+    end
     autoload :UrlFor
     autoload :PolymorphicRoutes