diff --git a/cosmogramme/sql/patch/patch_286.php b/cosmogramme/sql/patch/patch_286.php
index e39c620be15a15065133e391d547b9b2af133ef9..1f4ef23350aeb4463ef2c9d8715b18fb568f7a4e 100644
--- a/cosmogramme/sql/patch/patch_286.php
+++ b/cosmogramme/sql/patch/patch_286.php
@@ -2,6 +2,6 @@
 $adapter = Zend_Db_Table::getDefaultAdapter();
 
 try {
-  $adapter->query('ALTER TABLE notices_avis ADD COLUMN type_doc tinyint(4) null');
+  $adapter->query('ALTER TABLE notices_avis ADD COLUMN type_doc tinyint(4) null, add index ( type_doc )');
 } catch(Exception $e) {}
 ?>