diff --git a/backend/controllers/navigationController.js b/backend/controllers/navigationController.js
index 5485fcb..cdc8379 100644
--- a/backend/controllers/navigationController.js
+++ b/backend/controllers/navigationController.js
@@ -359,7 +359,7 @@ class NavigationController {
             });
             const birthDate = userBirthdateParams.length > 0 ? userBirthdateParams[0].value : (new Date()).toDateString();
             const age = this.calculateAge(birthDate);
-            const rights = userRights.map(ur => ur.rightType.title);
+            const rights = userRights.map(ur => ur.rightType?.title).filter(Boolean);
             const filteredMenu = await this.filterMenu(menuStructure, rights, age, user.id);
             res.status(200).json(filteredMenu);
         } catch (error) {