1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/attribute.rb b/activerecord/lib/active_record/attribute.rb
index 9530f134d0..2f41e9e45b 100644
--- a/activerecord/lib/active_record/attribute.rb
+++ b/activerecord/lib/active_record/attribute.rb
@@ -152,7 +152,7 @@ module ActiveRecord
     end
 
     def _original_value_for_database
-      value_for_database
+      type.serialize(original_value)
     end
 
     class FromDatabase < Attribute # :nodoc:
@@ -180,7 +180,7 @@ module ActiveRecord
         value
       end
 
-      def changed_in_place_from?(old_value)
+      def changed_in_place?
         false
       end
     end