diff --git a/UVtools.Core/FileFormats/AnetN4File.cs b/UVtools.Core/FileFormats/AnetN4File.cs
index 254add3..513f4d8 100644
--- a/UVtools.Core/FileFormats/AnetN4File.cs
+++ b/UVtools.Core/FileFormats/AnetN4File.cs
@@ -64,7 +64,7 @@ public sealed class AnetN4File : FileFormat
         [FieldOrder(1)][FieldEncoding("UTF-16BE")][FieldLength(nameof(VersionLength))] public string Version { get; set; } = "3";
         [FieldOrder(2)][FieldEndianness(Endianness.Big)] public int NameLength { get; set; } = About.SoftwareWithVersion.Length * 2;
         [FieldOrder(3)][FieldEncoding("UTF-16BE")][FieldLength(nameof(NameLength))] public string Name { get; set; } = About.SoftwareWithVersion;
-        [FieldOrder(4)][FieldEndianness(Endianness.Big)] public int DescriptionLength { get; set; } = -1;
+        [FieldOrder(4)][FieldEndianness(Endianness.Big)] public int DescriptionLength { get; set; }
         [FieldOrder(5)][FieldEncoding("UTF-16BE")][FieldLength(nameof(DescriptionLength))] public string Description { get; set; } = string.Empty; // Printer crashes for non-empty description (FW 1.65)
         [FieldOrder(6)][FieldEndianness(Endianness.Big)] public double XYPixelSize { get; set; } = 0.04725; // mm
         [FieldOrder(7)][FieldEndianness(Endianness.Big)] public double LayerHeight { get; set; } // mm; from 0.03 to 0.08