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-rw-r--r--activerecord/lib/active_record/validations/uniqueness.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb
index 154aacef9f..795088530e 100644
--- a/activerecord/lib/active_record/validations/uniqueness.rb
+++ b/activerecord/lib/active_record/validations/uniqueness.rb
@@ -26,7 +26,7 @@ module ActiveRecord
relation = relation.and(table[finder_class.primary_key.to_sym].not_eq(record.send(:id))) if record.persisted?
Array.wrap(options[:scope]).each do |scope_item|
- scope_value = record.send(scope_item)
+ scope_value = record.read_attribute(scope_item)
relation = relation.and(table[scope_item].eq(scope_value))
end