diff --git a/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/FAT/FATFileAttributes.cs b/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/FAT/FATFileAttributes.cs
index b059005e..2f43b707 100644
--- a/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/FAT/FATFileAttributes.cs
+++ b/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/FAT/FATFileAttributes.cs
@@ -75,6 +75,10 @@ namespace UniversalEditor.DataFormats.FileSystem.FAT
///
VolumeLabel = 0x08,
///
+ /// The file entry is a component of a Long File Name entry.
+ ///
+ LongFileName = ReadOnly | Hidden | System | VolumeLabel,
+ ///
/// Subdirectory. (Since DOS 2.0) Indicates that the cluster-chain associated with this entry gets
/// interpreted as subdirectory instead of as a file. Subdirectories have a filesize entry of zero.
///