2 files changed, 3 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/associations/builder/association.rb b/activerecord/lib/active_record/associations/builder/association.rb
index bbc1c20f60..cd0642c592 100644
--- a/activerecord/lib/active_record/associations/builder/association.rb
+++ b/activerecord/lib/active_record/associations/builder/association.rb
@@ -48,14 +48,14 @@ module ActiveRecord::Associations::Builder
       @model.generated_feature_methods
     end
 
-    include Module.new { def build; end }
+    include Module.new { def build(*args); end }
 
     def build
       validate_options
       define_accessors
       configure_dependency if options[:dependent]
       @reflection = model.create_reflection(macro, name, scope, options, model)
-      super # provides an extension point
+      super(@model, @reflection) # provides an extension point
       @reflection
     end
 
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index c991c870ed..e06405d043 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -127,7 +127,7 @@ module ActiveRecord
     extend ActiveSupport::Concern
 
     module AssociationBuilderExtension #:nodoc:
-      def build
+      def build(model, reflection)
         model.send(:add_autosave_association_callbacks, reflection)
         super
       end