diff --git a/htdocs/includes/modules/DolibarrModules.class.php b/htdocs/includes/modules/DolibarrModules.class.php
index 9e2d566662b..608500680c1 100644
--- a/htdocs/includes/modules/DolibarrModules.class.php
+++ b/htdocs/includes/modules/DolibarrModules.class.php
@@ -960,7 +960,7 @@ class DolibarrModules
 	 */
 	function insert_dirs()
 	{
-		global $conf;
+		global $langs, $conf;
 		
 		$err=0;