1 files changed, 1 insertions, 1 deletions
diff --git a/addons/web/static/src/js/views/basic/basic_view.js b/addons/web/static/src/js/views/basic/basic_view.js
index 4d266657c71..676c1225810 100644
--- a/addons/web/static/src/js/views/basic/basic_view.js
+++ b/addons/web/static/src/js/views/basic/basic_view.js
@@ -148,7 +148,7 @@ var BasicView = AbstractView.extend({
                             var x2mFieldInfo = record.fieldsInfo[this.viewType][name];
                             var viewType = x2mFieldInfo.viewType || x2mFieldInfo.mode;
                             var knownFields = Object.keys(record.data[name].fieldsInfo[record.data[name].viewType] || {});
-                            var newFields = Object.keys(record.data[name].fieldsInfo[viewType]);
+                            var newFields = Object.keys(record.data[name].fieldsInfo[viewType] || {});
                             if (_.difference(newFields, knownFields).length) {
                                 fieldNames.push(name);
                             }