diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/stack.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/stack.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/stack.rb b/actionpack/lib/action_dispatch/middleware/stack.rb index 28e8fbdab8..12bc438be3 100644 --- a/actionpack/lib/action_dispatch/middleware/stack.rb +++ b/actionpack/lib/action_dispatch/middleware/stack.rb @@ -110,7 +110,7 @@ module ActionDispatch def build(app = nil, &block) app ||= block raise "MiddlewareStack#build requires an app" unless app - middlewares.reverse.inject(app) { |a, e| e.build(a) } + middlewares.freeze.reverse.inject(app) { |a, e| e.build(a) } end protected |