diff --git a/lib/uuidable/active_record.rb b/lib/uuidable/active_record.rb
index b09203a..5e9ea9f 100644
--- a/lib/uuidable/active_record.rb
+++ b/lib/uuidable/active_record.rb
@@ -33,7 +33,11 @@ def uuidable(as_param: true) # rubocop:disable Metrics/AbcSize, Metrics/Cyclomat
           end
         end
 
-        after_initialize { self.uuid = Uuidable.generate_uuid if attributes.keys.include?('uuid') && uuid.blank? }
+        after_initialize do
+          self.uuid = Uuidable.generate_uuid if attributes.keys.include?('uuid') && uuid.blank?
+          self.uuid__old = uuid if respond_to?(:uuid__old)
+        end
+
         validates :uuid, presence: true, uniqueness: true, if: :uuid_changed?
 
         if as_param