diff --git a/npm/ng-packs/packages/core/src/lib/services/routes.service.ts b/npm/ng-packs/packages/core/src/lib/services/routes.service.ts
index c2b90a91c7..16fc4c238b 100644
--- a/npm/ng-packs/packages/core/src/lib/services/routes.service.ts
+++ b/npm/ng-packs/packages/core/src/lib/services/routes.service.ts
@@ -133,8 +133,8 @@ export abstract class AbstractNavTreeService<T extends ABP.Nav> extends Abstract
   readonly parentId = 'parentName';
   readonly hide = (item: T) => item.invisible || !this.isGranted(item);
   readonly sort = (a: T, b: T) => {
-    if (!a.order) return 1;
-    if (!b.order) return -1;
+    if (!Number.isInteger(a.order)) return 1;
+    if (!Number.isInteger(b.order)) return -1;
 
     return a.order - b.order;
   };