diff --git a/addons/web/static/src/js/view_list.js b/addons/web/static/src/js/view_list.js
index a16dddcbf91..ae1a7fa328f 100644
--- a/addons/web/static/src/js/view_list.js
+++ b/addons/web/static/src/js/view_list.js
@@ -554,11 +554,12 @@ instance.web.ListView = instance.web.View.extend( /** @lends instance.web.ListVi
                 self.records.remove(record);
                 return;
             }
-            _.each(values, function (value, key) {
+            // _.each is broken if a field "length" is present
+            for (var key in values) {
                 if (fields[key] && fields[key].type === 'many2many')
                     record.set(key + '__display', false, {silent: true});
-                record.set(key, value, {silent: true});            
-            });
+                record.set(key, values[key], {silent: true});
+            }
             record.trigger('change', record);
         });
     },