diff --git a/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs b/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs
index 0c1fef64a..7c30b6380 100644
--- a/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs
+++ b/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs
@@ -338,7 +338,7 @@ namespace UniJSON
         {
             get
             {
-                for (int i = 0; i < m_Values.Count; ++i)
+                for (int i = ValueIndex; i < m_Values.Count; ++i)
                 {
                     if (m_Values[i].ParentIndex == ValueIndex)
                     {