diff --git a/htdocs/admin/menus/edit.php b/htdocs/admin/menus/edit.php
index bf4ac3f8979..03dc761edf5 100644
--- a/htdocs/admin/menus/edit.php
+++ b/htdocs/admin/menus/edit.php
@@ -177,7 +177,7 @@ if ($action == 'add') {
 		$action = 'create';
 		$error++;
 	}
-	if (!$error && !GETPOST('menuId') && GETPOST('type') == 'left') {
+	if (!$error && !GETPOST('menuId') && GETPOST('type') != 'left') {
 		setEventMessages($langs->trans("ErrorLeftMenuMustHaveAParentId"), null, 'errors');
 		$action = 'create';
 		$error++;