Update PngDecoderCore.cs

2 years ago · 90fa817135
1 changed files with 1 additions and 1 deletions
--- a/src/ImageSharp/Formats/Png/PngDecoderCore.cs
+++ b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
@ -765,7 +765,7 @@ internal sealed class PngDecoderCore : IImageDecoderInternals
            cancellationToken.ThrowIfCancellationRequested();
            int bytesPerFrameScanline = this.CalculateScanlineLength((int)frameControl.Width) + 1;
            Span<byte> scanSpan = this.scanline.GetSpan()[..bytesPerFrameScanline];
-            Span<byte> prevSpan = this.scanline.GetSpan()[..bytesPerFrameScanline];
+            Span<byte> prevSpan = this.previousScanline.GetSpan()[..bytesPerFrameScanline];

            while (currentRowBytesRead < bytesPerFrameScanline)
            {