diff options
| -rw-r--r-- | activemodel/lib/active_model/validations/confirmation.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/validations/confirmation.rb b/activemodel/lib/active_model/validations/confirmation.rb index 2c8a840124..00df10cef0 100644 --- a/activemodel/lib/active_model/validations/confirmation.rb +++ b/activemodel/lib/active_model/validations/confirmation.rb @@ -10,7 +10,9 @@ module ActiveModel end def setup(klass) - klass.send(:attr_accessor, *attributes.map { |attribute| :"#{attribute}_confirmation" }) + klass.send(:attr_accessor, *attributes.map do |attribute| + :"#{attribute}_confirmation" unless klass.method_defined?(:"#{attribute}_confirmation") + end.compact) end end |