we have the resource on the stack, so just use it

We don't need to ask `scope` for the resource because we already have it
right here.

1 files changed, 1 insertions, 1 deletions

diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index ab13fb14ce..c93a64fcf4 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -1692,7 +1692,7 @@ module ActionDispatch
             @nesting.push(resource)
 
             with_scope_level(kind) do
-              controller_scope(parent_resource.resource_scope) { yield }
+              controller_scope(resource.resource_scope) { yield }
             end
           ensure
             @nesting.pop