diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index fd3a2017a3d..cf135aec844 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -5281,7 +5281,7 @@ function get_exdir($num, $level, $alpha, $withoutslash, $object, $modulepart)
 		// TODO
 		// We will enhance here a common way of forging path for document storage
 		// Here, object->id, object->ref and modulepart are required.
-		if (in_array($modulepart, array('thirdparty','contact','member','propal','proposal','commande','order','facture','invoice','shipment')))
+		if (in_array($modulepart, array('thirdparty','contact','member','propal','proposal','commande','order','facture','invoice','shipment','expensereport')))
 		{
 			$path=($object->ref?$object->ref:$object->id);
 		}