diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 1012b825254..c6a5cb14426 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2445,7 +2445,7 @@ function dol_check_secure_access_document($modulepart, $original_file, $entity,
 	}
 
 	// Wrapping for third parties
-	elseif (($modulepart == 'company' || $modulepart == 'societe') && !empty($conf->societe->dir_output))
+	elseif (($modulepart == 'company' || $modulepart == 'societe' || $modulepart == 'thirdparty') && !empty($conf->societe->dir_output))
 	{
 		if (empty($entity) || empty($conf->societe->multidir_output[$entity])) return array('accessallowed'=>0, 'error'=>'Value entity must be provided');
 		if ($fuser->rights->societe->{$lire} || preg_match('/^specimen/i', $original_file))