diff --git a/tryton-sao.js b/tryton-sao.js
index f7f889b..b05be93 100644
--- a/tryton-sao.js
+++ b/tryton-sao.js
@@ -20679,7 +20679,7 @@ function eval_pyson(value){
             Sao.Tab.create({
                 model: model,
                 res_id: res_id,
-                mode: ['form', 'tree'],
+                mode: ['tree', 'form'],
                 domain: domain,
                 target: "new",
             });