diff --git a/addons/web/static/src/js/views/basic/basic_controller.js b/addons/web/static/src/js/views/basic/basic_controller.js
index b4d00b6bb76..5767969d15c 100644
--- a/addons/web/static/src/js/views/basic/basic_controller.js
+++ b/addons/web/static/src/js/views/basic/basic_controller.js
@@ -612,12 +612,12 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
         }).then(function (result) {
             self.do_action(result, {
                 on_reverse_breadcrumb: function () {
-                    if (self.renderer.alertFields.length) {
+                    if (!_.isEmpty(self.renderer.alertFields)) {
                         self.renderer.displayTranslationAlert();
                     }
-                    return false
+                    return false;
                 },
-            })
+            });
         });
     },
 });