diff --git a/core/modules/menu_link/src/Plugin/Field/FieldType/MenuLinkItem.php b/core/modules/menu_link/src/Plugin/Field/FieldType/MenuLinkItem.php
index cef5d91..125aea7 100644
--- a/core/modules/menu_link/src/Plugin/Field/FieldType/MenuLinkItem.php
+++ b/core/modules/menu_link/src/Plugin/Field/FieldType/MenuLinkItem.php
@@ -248,6 +248,7 @@ protected function getMenuPluginDefinition() {
     $entity = $this->getEntity();
     $menu_definition['id'] = $this->getPluginId();
     $menu_definition['title'] = $this->values['title'] ?: $entity->label();
+    $menu_definition['title_max_length'] = $this->getFieldDefinition()->getSetting('max_length');
     $menu_definition['description'] = isset($this->values['description']) ? $this->values['description'] : '';
     $menu_definition['menu_name'] = $this->values['menu_name'];
     $menu_definition['parent'] = $this->values['parent'];