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-rw-r--r--activerecord/lib/active_record/attribute_methods/dirty.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb
index d5702accaf..ce7f575150 100644
--- a/activerecord/lib/active_record/attribute_methods/dirty.rb
+++ b/activerecord/lib/active_record/attribute_methods/dirty.rb
@@ -134,7 +134,7 @@ module ActiveRecord
# Serialized attributes should always be written in case they've been
# changed in place.
def keys_for_partial_write
- changed
+ changed & persistable_attribute_names
end
def _field_changed?(attr, old_value)