diff --git a/ChangeLog b/ChangeLog
index cfe4950e2f1..502cbc40536 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -44,6 +44,7 @@ Fix: [ bug #1461 ] LINEORDER_SUPPLIER_CREATE does not intercept supplier order l
 Fix: [ bug #1484 ] BILL_SUPPLIER_PAYED trigger action does not intercept failure under some circumstances
 Fix: [ bug #1482 ] Several supplier invoice triggers do not show trigger error messages
 Fix: [ bug #1486 ] LINEBILL_SUPPLIER_CREATE and LINEBILL_SUPPLIER_UPDATE triggers do not intercept trigger action
+Fix: [ bug #1522 ] Element list into associate object into project are no more filterd by project thirdparty
 
 ***** ChangeLog for 3.5.3 compared to 3.5.2 *****
 Fix: Error on field accountancy code for export profile of invoices.
diff --git a/htdocs/core/class/html.formprojet.class.php b/htdocs/core/class/html.formprojet.class.php
index b3228278261..7b8eefdbbae 100644
--- a/htdocs/core/class/html.formprojet.class.php
+++ b/htdocs/core/class/html.formprojet.class.php
@@ -164,9 +164,10 @@ class FormProjets
 	 *    Build Select List of element associable to a project
 	 *
 	 *    @param	string	$table_element		Table of the element to update
+	 *    @param	int		$socid				socid to filter
 	 *    @return	string						The HTML select list of element
 	 */
-	function select_element($table_element)
+	function select_element($table_element,$socid=0)
 	{
 		global $conf;
 
@@ -193,8 +194,8 @@ class FormProjets
 
 		$sql.= " FROM ".MAIN_DB_PREFIX.$table_element;
 		$sql.= " WHERE ".$projectkey." is null";
-		if (!empty($this->societe->id)) {
-			$sql.= " AND fk_soc=".$this->societe->id;
+		if (!empty($socid)) {
+			$sql.= " AND fk_soc=".$socid;
 		}
 		$sql.= ' AND entity='.getEntity('project');
 		$sql.= " ORDER BY ref DESC";
diff --git a/htdocs/projet/element.php b/htdocs/projet/element.php
index 88330819349..4075113d625 100644
--- a/htdocs/projet/element.php
+++ b/htdocs/projet/element.php
@@ -216,7 +216,7 @@ foreach ($listofreferent as $key => $value)
 
 		print_titre($langs->trans($title));
 		
-		$selectList=$formproject->select_element($tablename);
+		$selectList=$formproject->select_element($tablename,$project->societe->id);
 		if ($selectList<0) {
 			setEventMessage($formproject->error,'errors');
 		}