diff --git a/htdocs/admin/commande.php b/htdocs/admin/commande.php
index af9db12a62b..0376d551144 100644
--- a/htdocs/admin/commande.php
+++ b/htdocs/admin/commande.php
@@ -100,6 +100,7 @@ if ($action == 'updateMask') {
 		require_once $file;
 
 		$module = new $classname($db);
+		'@phan-var-force ModelePDFCommandes $module';
 
 		if ($module->write_file($commande, $langs) > 0) {
 			header("Location: ".DOL_URL_ROOT."/document.php?modulepart=commande&file=SPECIMEN.pdf");