diff --git a/railties/lib/rails/railtie/configurable.rb b/railties/lib/rails/railtie/configurable.rb
index 532ebf65f5..53796c74cf 100644
--- a/railties/lib/rails/railtie/configurable.rb
+++ b/railties/lib/rails/railtie/configurable.rb
@@ -26,9 +26,9 @@ module Rails
 
         protected
 
-          def method_missing(*args, &block)
-            instance.send(*args, &block)
-          end
+        def method_missing(*args, &block)
+          instance.send(*args, &block)
+        end
       end
     end
   end