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-rw-r--r--actionpack/lib/action_view/helpers/form_helper.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index 6d97038da9..0962be2c79 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -616,6 +616,8 @@ module ActionView
value != 0
when String
value == checked_value
+ when Array
+ value.include?(checked_value)
else
value.to_i != 0
end