diff --git a/AssetStudio/Classes/AssetBundle.cs b/AssetStudio/Classes/AssetBundle.cs
index 0a6fd1c..24b88bd 100644
--- a/AssetStudio/Classes/AssetBundle.cs
+++ b/AssetStudio/Classes/AssetBundle.cs
@@ -42,6 +42,16 @@ namespace AssetStudio
 
             var m_MainAsset = new AssetInfo(reader);
 
+            if (version[0] == 5 && version[1] == 4) //5.4.x
+            {
+                var m_ClassVersionMapSize = reader.ReadInt32();
+                for (var i = 0; i < m_ClassVersionMapSize; i++)
+                {
+                    var first = reader.ReadInt32();
+                    var second = reader.ReadInt32();
+                }
+            }
+
             if (version[0] > 4 || (version[0] == 4 && version[1] >= 2)) //4.2 and up
             {
                 var m_RuntimeCompatibility = reader.ReadUInt32();