diff --git a/lib/Cake/Model/Model.php b/lib/Cake/Model/Model.php
index db1d460cc..5a0b9a820 100644
--- a/lib/Cake/Model/Model.php
+++ b/lib/Cake/Model/Model.php
@@ -1945,7 +1945,7 @@ class Model extends Object implements CakeEventListener {
 			return array();
 		}
 		$old = $this->find('first', array(
-			'conditions' => array($this->primaryKey => $this->id),
+			'conditions' => array($this->alias . '.' . $this->primaryKey => $this->id),
 			'fields' => array_values($included),
 			'recursive' => -1
 		));