diff --git a/src/ImageSharp/Formats/Tiff/Compression/HorizontalPredictor.cs b/src/ImageSharp/Formats/Tiff/Compression/HorizontalPredictor.cs
index 97bce2b2db..3208a9e505 100644
--- a/src/ImageSharp/Formats/Tiff/Compression/HorizontalPredictor.cs
+++ b/src/ImageSharp/Formats/Tiff/Compression/HorizontalPredictor.cs
@@ -41,6 +41,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Compression
                     UndoGray32Bit(pixelBytes, width, isBigEndian);
                     break;
                 case TiffColorType.Rgb888:
+                case TiffColorType.CieLab:
                     UndoRgb24Bit(pixelBytes, width);
                     break;
                 case TiffColorType.Rgba8888: