1 files changed, 7 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/params_wrapper.rb b/actionpack/lib/action_controller/metal/params_wrapper.rb
index f4f2381286..9f79d796cc 100644
--- a/actionpack/lib/action_controller/metal/params_wrapper.rb
+++ b/actionpack/lib/action_controller/metal/params_wrapper.rb
@@ -113,6 +113,13 @@ module ActionController
                 self.include = m.attribute_names
               end
             end
+            if m.respond_to?(:nested_attributes_options) && m.nested_attributes_options.any?
+              nested_attributes_names = self.nested_attributes_options.keys.map do |key| 
+                key.to_s.concat('_attributes').to_sym
+              end
+              self.include += nested_attributes_names
+            end
+
           end
         end
       end