diff --git a/htdocs/projet/index.php b/htdocs/projet/index.php
index e846593812e..772b6511cd1 100644
--- a/htdocs/projet/index.php
+++ b/htdocs/projet/index.php
@@ -44,13 +44,8 @@ if ($user->societe_id > 0)
 $socstatic=new Societe($db);
 $projectstatic=new Project($db);
 
-$projectsIdArray=array();
 $mine = $_REQUEST['mode']=='mine' ? 1 : 0;
-$projectsListArray = $projectstatic->getProjectsAuthorizedForUser($user,$mine);
-foreach ($projectsListArray as $key => $value)
-{
-	$projectsIdArray[] = $key;
-}
+$projectsListId = $projectstatic->getProjectsAuthorizedForUser($user,$mine,1);
 
 llxHeader("",$langs->trans("Projects"),"EN:Module_Projects|FR:Module_Projets|ES:Módulo_Proyectos");
 
@@ -72,7 +67,7 @@ $sql = "SELECT p.rowid as projectid, p.ref, p.title, p.fk_user_creat, p.public,
 $sql.= " FROM ".MAIN_DB_PREFIX."projet as p";
 $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."projet_task as t ON p.rowid = t.fk_projet";
 $sql.= " WHERE p.entity = ".$conf->entity;
-if ($mine) $sql.= " AND p.rowid IN (".(!empty($projectsIdArray) ? implode(',',$projectsIdArray) : 0).")";
+if ($mine) $sql.= " AND p.rowid IN (".$projectsListId.")";
 if ($socid)	$sql.= " AND p.fk_soc = ".$socid;
 $sql.= " GROUP BY p.title, p.rowid";
 
@@ -128,7 +123,7 @@ $sql.= ", s.nom, s.rowid as socid";
 $sql.= " FROM ".MAIN_DB_PREFIX."projet as p";
 $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."societe as s on p.fk_soc = s.rowid";
 $sql.= " WHERE p.entity = ".$conf->entity;
-$sql.= " AND p.rowid IN (".(!empty($projectsIdArray) ? implode(',',$projectsIdArray) : 0).")";
+$sql.= " AND p.rowid IN (".$projectsListId.")";
 if ($socid) $sql.= " AND s.rowid = ".$socid;
 $sql.= " GROUP BY s.nom, s.rowid";
 
diff --git a/htdocs/projet/liste.php b/htdocs/projet/liste.php
index aa3d86be3e2..feceec83340 100644
--- a/htdocs/projet/liste.php
+++ b/htdocs/projet/liste.php
@@ -68,13 +68,8 @@ llxHeader("",$langs->trans("Projects"),"EN:Module_Projects|FR:Module_Projets|ES:
 $projectstatic = new Project($db);
 $socstatic = new Societe($db);
 
-$projectsIdArray=array();
 $mine = $_REQUEST['mode']=='mine' ? 1 : 0;
-$projectsListArray = $projectstatic->getProjectsAuthorizedForUser($user,$mine);
-foreach ($projectsListArray as $key => $value)
-{
-	$projectsIdArray[] = $key;
-}
+$projectsListId = $projectstatic->getProjectsAuthorizedForUser($user,$mine,1);
 
 $sql = "SELECT p.rowid as projectid, p.ref, p.title, p.fk_statut, p.public, p.fk_user_creat";
 $sql.= ", p.datec as date_create, p.dateo as date_start, p.datee as date_end";
@@ -82,7 +77,7 @@ $sql.= ", s.nom, s.rowid as socid";
 $sql.= " FROM ".MAIN_DB_PREFIX."projet as p";
 $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."societe as s on p.fk_soc = s.rowid";
 $sql.= " WHERE p.entity = ".$conf->entity;
-if ($mine) $sql.= " AND p.rowid IN (".(!empty($projectsIdArray) ? implode(',',$projectsIdArray) : 0).")";
+if ($mine) $sql.= " AND p.rowid IN (".$projectsListId.")";
 if ($socid)	$sql.= " AND s.rowid = ".$socid;
 
 if ($_GET["search_ref"])
diff --git a/htdocs/projet/project.class.php b/htdocs/projet/project.class.php
index 790011a9007..1aad2f539bb 100644
--- a/htdocs/projet/project.class.php
+++ b/htdocs/projet/project.class.php
@@ -657,11 +657,12 @@ class Project extends CommonObject
 	 * @param unknown_type $user
 	 * @return unknown
 	 */
-	function getProjectsAuthorizedForUser($user,$mine=0)
+	function getProjectsAuthorizedForUser($user,$mine=0,$list=0)
 	{
 		global $conf;
 
 		$projects = array();
+		$temp = array();
 
 		$sql = "SELECT DISTINCT p.rowid, p.ref";
 		$sql.= " FROM ".MAIN_DB_PREFIX."projet as p";
@@ -695,9 +696,18 @@ class Project extends CommonObject
 			{
 				$row = $this->db->fetch_row($resql);
 				$projects[$row[0]] = $row[1];
+				$temp[] = $row[0];
 				$i++;
 			}
-			$this->db->free();
+			
+			$this->db->free($resql);
+			
+			if ($list)
+			{
+				if (empty($temp)) return 0;
+				$result = implode(',',$temp);
+				return $result;
+			}
 		}
 		else
 		{