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-rw-r--r--activemodel/lib/active_model/validations/with.rb6
1 files changed, 4 insertions, 2 deletions
diff --git a/activemodel/lib/active_model/validations/with.rb b/activemodel/lib/active_model/validations/with.rb
index 3158f36b6e..3c516f8b22 100644
--- a/activemodel/lib/active_model/validations/with.rb
+++ b/activemodel/lib/active_model/validations/with.rb
@@ -3,8 +3,10 @@ module ActiveModel
module HelperMethods
private
def _merge_attributes(attr_names)
- options = attr_names.extract_options!
- options.merge(:attributes => attr_names.flatten)
+ options = attr_names.extract_options!.symbolize_keys
+ attr_names.flatten!
+ options[:attributes] = attr_names
+ options
end
end