diff --git a/src/Chamilo/CoreBundle/Entity/Legal.php b/src/Chamilo/CoreBundle/Entity/Legal.php
index 1232dfd034..11d1d9ea3d 100644
--- a/src/Chamilo/CoreBundle/Entity/Legal.php
+++ b/src/Chamilo/CoreBundle/Entity/Legal.php
@@ -52,7 +52,7 @@ class Legal
      *
      * @ORM\Column(name="legal_id", type="integer")
      * @ORM\Id
-     * @ORM\GeneratedValue(strategy="NONE")
+     * @ORM\GeneratedValue(strategy="AUTO")
      */
     private $legalId;