diff --git a/src/Magick.NET/Helpers/TemporaryImageAttacher.cs b/src/Magick.NET/Helpers/TemporaryImageAttacher.cs
index 8fa07dacd7..ee6cd75a9e 100644
--- a/src/Magick.NET/Helpers/TemporaryImageAttacher.cs
+++ b/src/Magick.NET/Helpers/TemporaryImageAttacher.cs
@@ -18,7 +18,7 @@ namespace ImageMagick;
 
 internal sealed class TemporaryImageAttacher : IDisposable
 {
-    private readonly List<IMagickImage<byte>> _images;
+    private readonly List<IMagickImage<QuantumType>> _images;
 
     public TemporaryImageAttacher(List<IMagickImage<QuantumType>> images)
     {