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-rw-r--r--actionview/lib/action_view/helpers/form_helper.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/actionview/lib/action_view/helpers/form_helper.rb b/actionview/lib/action_view/helpers/form_helper.rb
index a66a56d441..26a625e4fe 100644
--- a/actionview/lib/action_view/helpers/form_helper.rb
+++ b/actionview/lib/action_view/helpers/form_helper.rb
@@ -1924,10 +1924,11 @@ module ActionView
record_name = model_name_from_record_or_class(record_object).param_key
end
+ object_name = @object_name
index = if options.has_key?(:index)
options[:index]
elsif defined?(@auto_index)
- self.object_name = @object_name.to_s.sub(/\[\]$/, "")
+ object_name = object_name.to_s.sub(/\[\]$/, "")
@auto_index
end