diff --git a/AssetTools.NET/Standard/AssetsBundleFileFormat/AssetBundleFile.cs b/AssetTools.NET/Standard/AssetsBundleFileFormat/AssetBundleFile.cs
index a7b9231..acd55eb 100644
--- a/AssetTools.NET/Standard/AssetsBundleFileFormat/AssetBundleFile.cs
+++ b/AssetTools.NET/Standard/AssetsBundleFileFormat/AssetBundleFile.cs
@@ -173,13 +173,13 @@ public void Write(AssetsFileWriter writer, long filePos = 0)
             newBundleInf.DirectoryInfos = dirInfos;
             newBundleInf.Write(writer);
 
+            long assetDataPos = writer.Position;
+
             if ((Header.FileStreamHeader.Flags & AssetBundleFSHeaderFlags.BlockInfoNeedPaddingAtStart) != 0)
             {
                 writer.Align16();
             }
 
-            long assetDataPos = writer.Position;
-
             // write the updated directory infos
             for (int i = 0; i < dirInfos.Count; i++)
             {