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-rw-r--r--activerecord/lib/active_record/attribute_methods/dirty.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb
index 24f0ccb239..84b942d559 100644
--- a/activerecord/lib/active_record/attribute_methods/dirty.rb
+++ b/activerecord/lib/active_record/attribute_methods/dirty.rb
@@ -52,11 +52,13 @@ module ActiveRecord
def changes_applied
@previous_mutation_tracker = @mutation_tracker
+ @changed_attributes = HashWithIndifferentAccess.new
store_original_attributes
end
def clear_changes_information
@previous_mutation_tracker = nil
+ @changed_attributes = HashWithIndifferentAccess.new
store_original_attributes
end