diff options
Diffstat (limited to 'activerecord/lib/active_record/validations')
| -rw-r--r-- | activerecord/lib/active_record/validations/uniqueness.rb | 2 |
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 2e7b1d7206..04e28a0cfe 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -48,7 +48,7 @@ module ActiveRecord def build_relation(klass, table, attribute, value) #:nodoc: if reflection = klass._reflect_on_association(attribute) attribute = reflection.foreign_key - value = value.attributes[reflection.primary_key_column.name] unless value.nil? + value = value.attributes[reflection.klass.primary_key] unless value.nil? end attribute_name = attribute.to_s |