2 files changed, 6 insertions, 2 deletions
diff --git a/actionpack/lib/action_controller/metal.rb b/actionpack/lib/action_controller/metal.rb
index 96ac138ba3..def28a0054 100644
--- a/actionpack/lib/action_controller/metal.rb
+++ b/actionpack/lib/action_controller/metal.rb
@@ -52,7 +52,11 @@ module ActionController
   class Metal < AbstractController::Base
     abstract!
 
-    attr_internal :env
+    attr_internal_writer :env
+
+    def env
+      @_env ||= {}
+    end
 
     # Returns the last part of the controller's name, underscored, without the ending
     # <tt>Controller</tt>. For instance, PostsController returns <tt>posts</tt>.
diff --git a/actionpack/lib/action_controller/metal/url_for.rb b/actionpack/lib/action_controller/metal/url_for.rb
index c1f1be3bef..e7eb7485c4 100644
--- a/actionpack/lib/action_controller/metal/url_for.rb
+++ b/actionpack/lib/action_controller/metal/url_for.rb
@@ -6,7 +6,7 @@ module ActionController
 
     def url_options
       options = {}
-      if respond_to?(:env) && env && _routes.equal?(env["action_dispatch.routes"])
+      if _routes.equal?(env["action_dispatch.routes"])
         options[:script_name] = request.script_name
       end