1 files changed, 3 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/rails/controller_runtime.rb b/activerecord/lib/active_record/rails/controller_runtime.rb
index 9ae40c5c8f..b8d5a77a0d 100644
--- a/activerecord/lib/active_record/rails/controller_runtime.rb
+++ b/activerecord/lib/active_record/rails/controller_runtime.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/module/attr_internal'
+
 module ActiveRecord
   module Rails
     module ControllerRuntime
@@ -26,4 +28,4 @@ module ActiveRecord
       end
     end
   end
-end
-\ No newline at end of file
+end