From bf7c00441cac8104e648fdff70b898f64aa31ed1 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@lemstra.org>
Date: Wed, 14 Oct 2020 18:25:50 +0200
Subject: [PATCH] The colorPaletteSize is also part of the file size.

---
 src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs b/src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs
index eb29c4405..454440f63 100644
--- a/src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs
+++ b/src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs
@@ -171,7 +171,7 @@ namespace SixLabors.ImageSharp.Formats.Bmp
 
             var fileHeader = new BmpFileHeader(
                 type: BmpConstants.TypeMarkers.Bitmap,
-                fileSize: BmpFileHeader.Size + infoHeaderSize + infoHeader.ImageSize,
+                fileSize: BmpFileHeader.Size + infoHeaderSize + colorPaletteSize + infoHeader.ImageSize,
                 reserved: 0,
                 offset: BmpFileHeader.Size + infoHeaderSize + colorPaletteSize);