diff options
Diffstat (limited to 'activemodel/lib/active_model')
| -rw-r--r-- | activemodel/lib/active_model/dirty.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index d2ebd18107..eaf8dfb223 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -142,7 +142,9 @@ module ActiveModel end def changes_applied # :nodoc: - @previously_changed = changes + unless defined?(@attributes) + @previously_changed = changes + end @mutations_before_last_save = mutations_from_database @attributes_changed_by_setter = ActiveSupport::HashWithIndifferentAccess.new forget_attribute_assignments |