diff --git a/htdocs/install/mysql/tables/llx_projet_task.sql b/htdocs/install/mysql/tables/llx_projet_task.sql
index 3cdf2c6edf7..eb4b87803ca 100644
--- a/htdocs/install/mysql/tables/llx_projet_task.sql
+++ b/htdocs/install/mysql/tables/llx_projet_task.sql
@@ -38,5 +38,6 @@ create table llx_projet_task
   fk_user_valid			integer,						-- user who validated the task
   fk_statut				smallint DEFAULT 0 NOT NULL,
   note_private			text,
-  note_public			text
+  note_public			text,
+  rang                  integer DEFAULT 0
 )type=innodb;
diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index 43c24fe7c05..eba31a69dd4 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -3079,7 +3079,7 @@ function migrate_element_rang($db,$langs,$conf)
 	//llx_livraisondet
 	$tables[] = array('name'=>'livraisondet','element'=>'delivery','fk_element'=>'fk_livraison');
 	//llx_projet_task
-	//$tables[] = array('name'=>'projet_task','element'=>'project','fk_element'=>'fk_projet');
+	//$tables[] = array('name'=>'projet_task','element'=>'project_task','fk_element'=>'fk_projet');
 
 	foreach($tables as $table)
 	{
diff --git a/htdocs/projet/class/task.class.php b/htdocs/projet/class/task.class.php
index 9d8178291a0..62142f19740 100644
--- a/htdocs/projet/class/task.class.php
+++ b/htdocs/projet/class/task.class.php
@@ -333,6 +333,9 @@ class Task extends CommonObject
 				return 0;
 			}
 		}
+		
+		// Delete rang of line
+		//$this->delRangOfLine($this->id, $this->element);
 
 		$sql = "DELETE FROM ".MAIN_DB_PREFIX."projet_task";
 		$sql.= " WHERE rowid=".$this->id;