diff --git a/lib/Doctrine/ActiveEntity.php b/lib/Doctrine/ORM/ActiveEntity.php
similarity index 99%
rename from lib/Doctrine/ActiveEntity.php
rename to lib/Doctrine/ORM/ActiveEntity.php
index 6492770df..5b2604837 100644
--- a/lib/Doctrine/ActiveEntity.php
+++ b/lib/Doctrine/ORM/ActiveEntity.php
@@ -10,7 +10,7 @@
  *
  * @since 2.0
  */
-class Doctrine_ActiveEntity extends Doctrine_ORM_Entity
+class Doctrine_ORM_ActiveEntity extends Doctrine_ORM_Entity
 {
     /**
      * Saves the current state of the entity into the database.