From 7fbc33c1d18bf9e750b315a46288669cdb386b11 Mon Sep 17 00:00:00 2001
From: Dmitry Pentin <riotbr3aker@gmail.com>
Date: Sun, 11 Jul 2021 23:54:17 +0300
Subject: [PATCH] Fixed invalid internal deconding mode selection for grayscale
 jpegs

---
 .../Formats/Jpeg/Components/Decoder/HuffmanScanDecoder.cs       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ImageSharp/Formats/Jpeg/Components/Decoder/HuffmanScanDecoder.cs b/src/ImageSharp/Formats/Jpeg/Components/Decoder/HuffmanScanDecoder.cs
index 7a63ef7c6..29de8059c 100644
--- a/src/ImageSharp/Formats/Jpeg/Components/Decoder/HuffmanScanDecoder.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/Decoder/HuffmanScanDecoder.cs
@@ -121,7 +121,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
 
         private void ParseBaselineData()
         {
-            if (this.ComponentsLength == 1)
+            if (this.ComponentsLength != this.frame.ComponentCount)
             {
                 this.frame.AllocateComponents(fullScan: true);
                 this.ParseBaselineDataNonInterleaved();