diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 0a30d4db649..599664d14de 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -1030,8 +1030,9 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
     open_defaults_dialog: function () {
         var self = this;
         var display = function (field, value) {
+            if (!value) { return value; }
             if (field instanceof instance.web.form.FieldSelection) {
-                return _(field.values).find(function (option) {
+                return _(field.get('values')).find(function (option) {
                     return option[0] === value;
                 })[1];
             } else if (field instanceof instance.web.form.FieldMany2One) {