diff --git a/src/ImageSharp/MetaData/Profiles/ICC/DataWriter/IccDataWriter.Matrix.cs b/src/ImageSharp/MetaData/Profiles/ICC/DataWriter/IccDataWriter.Matrix.cs
index b238648659..e006044162 100644
--- a/src/ImageSharp/MetaData/Profiles/ICC/DataWriter/IccDataWriter.Matrix.cs
+++ b/src/ImageSharp/MetaData/Profiles/ICC/DataWriter/IccDataWriter.Matrix.cs
@@ -120,14 +120,14 @@ namespace ImageSharp
             if (isSingle)
             {
                 count += this.WriteSingle(value.X);
-                count += this.WriteSingle(value.X);
-                count += this.WriteSingle(value.X);
+                count += this.WriteSingle(value.Y);
+                count += this.WriteSingle(value.Z);
             }
             else
             {
                 count += this.WriteFix16(value.X);
-                count += this.WriteFix16(value.X);
-                count += this.WriteFix16(value.X);
+                count += this.WriteFix16(value.Y);
+                count += this.WriteFix16(value.Z);
             }
 
             return count;