From ae0f4373e9786626e635eb6c139d321f74208313 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mehmet=20=C3=87etin?=
 <92744169+mehmetcetin01140@users.noreply.github.com>
Date: Fri, 1 Mar 2024 12:06:15 +0300
Subject: [PATCH] Fixed #14912 - Tree | ARIA attributes must conform to valid
 values

---
 src/app/components/tree/tree.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/components/tree/tree.ts b/src/app/components/tree/tree.ts
index 12e815912a1..79a1e524f55 100755
--- a/src/app/components/tree/tree.ts
+++ b/src/app/components/tree/tree.ts
@@ -74,7 +74,7 @@ import {
                 [attr.aria-selected]="ariaSelected"
                 [attr.aria-expanded]="node.expanded"
                 [attr.aria-posinset]="index + 1"
-                [attr.aria-level]="level"
+                [attr.aria-level]="level + 1"
                 [attr.tabindex]="index === 0 ? 0 : -1"
                 role="treeitem"
                 (keydown)="onKeyDown($event)"