1 files changed, 2 insertions, 2 deletions
diff --git a/addons/web/static/src/js/fields/relational_fields.js b/addons/web/static/src/js/fields/relational_fields.js
index c7ff956fd7b..496aaee06f0 100644
--- a/addons/web/static/src/js/fields/relational_fields.js
+++ b/addons/web/static/src/js/fields/relational_fields.js
@@ -777,8 +777,8 @@ var FieldOne2Many = FieldX2Many.extend({
         return this._super.apply(this, arguments).then(function () {
             if (event && event.target === self && self.view.arch.tag === 'tree') {
                 if (event.data.changes[self.name].operation === 'CREATE') {
-                    // todo: get last record if editable = bottom
-                    var newID = self.value.data[0].id;
+                    var index = self.editable === 'top' ? 0 : self.value.data.length - 1;
+                    var newID = self.value.data[index].id;
                     self.renderer.editRecord(newID);
                 }
             }