diff --git a/src/ICSharpCode.SharpZipLib/Zip/ZipConstants.cs b/src/ICSharpCode.SharpZipLib/Zip/ZipConstants.cs
index 437213492..ba9ecc010 100644
--- a/src/ICSharpCode.SharpZipLib/Zip/ZipConstants.cs
+++ b/src/ICSharpCode.SharpZipLib/Zip/ZipConstants.cs
@@ -50,7 +50,7 @@ public enum CompressionMethod
 		/// <summary>
 		/// BZip2 compression. Not supported by #Zip.
 		/// </summary>
-		BZip2 = 11,
+		BZip2 = 12,
 
 		/// <summary>
 		/// WinZip special for AES encryption, Now supported by #Zip.