diff --git a/ActiveRecord.php b/ActiveRecord.php
index 3cfbff4..9f7c07b 100644
--- a/ActiveRecord.php
+++ b/ActiveRecord.php
@@ -186,7 +186,7 @@ abstract class ActiveRecord extends BaseActiveRecord
         $this->setIsNewRecord(false);
 
         $changedAttributes = array_fill_keys(array_keys($values), null);
-        $this->setOldAttributes($values);
+        $this->setOldAttributes($this->getAttributes());
         $this->afterSave(true, $changedAttributes);
 
         return true;