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-rw-r--r--actionpack/lib/action_view/helpers/tags/radio_button.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/tags/radio_button.rb b/actionpack/lib/action_view/helpers/tags/radio_button.rb
index 72edd21662..8a0421f061 100644
--- a/actionpack/lib/action_view/helpers/tags/radio_button.rb
+++ b/actionpack/lib/action_view/helpers/tags/radio_button.rb
@@ -1,7 +1,11 @@
+require 'action_view/helpers/tags/checkable'
+
module ActionView
module Helpers
module Tags
class RadioButton < Base #:nodoc:
+ include Checkable
+
def initialize(object_name, method_name, template_object, tag_value, options)
@tag_value = tag_value
super(object_name, method_name, template_object, options)