1 files changed, 4 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb
index 3256d44e18..3dda47a458 100644
--- a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb
+++ b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb
@@ -23,6 +23,10 @@ module ActionView
         def render_component(builder)
           builder.check_box + builder.label
         end
+
+        def hidden_field_name #:nodoc:
+          "#{super}[]"
+        end
       end
     end
   end