diff --git a/lib/validator/nric/nric_validator.rb b/lib/validator/nric/nric_validator.rb
index 1106a16..ade7e4b 100644
--- a/lib/validator/nric/nric_validator.rb
+++ b/lib/validator/nric/nric_validator.rb
@@ -2,7 +2,7 @@ module Validator
   module Nric
     class NricValidator < ActiveModel::EachValidator
       def validate_each(record, attribute, value)
-        record.errors[attribute] << (options[:message] || 'is not an NRIC') \
+        record.errors.add(attribute, options[:message] || 'is not an NRIC') \
           unless Validator::Nric.check(value)
       end
     end