diff --git a/actionpack/lib/action_dispatch/journey/router.rb b/actionpack/lib/action_dispatch/journey/router.rb
index 31868b181479..419e665d12f2 100644
--- a/actionpack/lib/action_dispatch/journey/router.rb
+++ b/actionpack/lib/action_dispatch/journey/router.rb
@@ -38,7 +38,9 @@ def ip
           env['REMOTE_ADDR']
         end
 
-        def [](k); env[k]; end
+        def [](k)
+          env[k]
+        end
       end
 
       attr_reader :request_class, :formatter