diff --git a/ArcFormats/DxLib/ArcDX8.cs b/ArcFormats/DxLib/ArcDX8.cs
index 9def10ed..17f7ca2f 100644
--- a/ArcFormats/DxLib/ArcDX8.cs
+++ b/ArcFormats/DxLib/ArcDX8.cs
@@ -147,7 +147,7 @@ namespace GameRes.Formats.DxLib
                 byte[] huffmanBuffer = new byte[headerBuffer.Length]; 
                 byte[] lzBuffer;
                 headerBuffer.CopyTo(huffmanBuffer, 0);
-                huffmanBuffer = headerBuffer;
+                //huffmanBuffer = headerBuffer;
                 HuffmanDecoder decoder = new HuffmanDecoder(huffmanBuffer, (ulong)huffmanBuffer.LongLength);
                 lzBuffer = decoder.Unpack();
                 MemoryStream lzStream = new MemoryStream(lzBuffer);
diff --git a/ArcFormats/DxLib/HuffmanDecoder.cs b/ArcFormats/DxLib/HuffmanDecoder.cs
index 26dd2e6e..11f61d86 100644
--- a/ArcFormats/DxLib/HuffmanDecoder.cs
+++ b/ArcFormats/DxLib/HuffmanDecoder.cs
@@ -35,7 +35,7 @@ using GameRes.Utility;
 
 namespace GameRes.Formats.DxLib
 {
-    internal struct DXA8HuffmanNode
+    internal class DXA8HuffmanNode
     {
         public UInt64 Weight;
         public int bitNumber;
@@ -44,6 +44,13 @@ namespace GameRes.Formats.DxLib
 
         public int ParentNode; // index of parent node.
         public int[] ChildNode; //two children nodes, -1 if not existent.
+
+        DXA8HuffmanNode()
+        {
+            bitArray = new byte[32];
+            ChildNode = new int[2];
+        }
+        
     }
 
     internal sealed class HuffmanDecoder