diff --git a/FFMpegCore/FFMpeg/Arguments/GifPalettArgument.cs b/FFMpegCore/FFMpeg/Arguments/GifPalettArgument.cs
index 408832d..9c95045 100644
--- a/FFMpegCore/FFMpeg/Arguments/GifPalettArgument.cs
+++ b/FFMpegCore/FFMpeg/Arguments/GifPalettArgument.cs
@@ -4,18 +4,21 @@ namespace FFMpegCore.Arguments
 {
     public class GifPalettArgument : IArgument
     {
+        private readonly int _streamIndex;
+
         private readonly int _fps;
 
         private readonly Size? _size;
 
-        public GifPalettArgument(int fps, Size? size)
+        public GifPalettArgument(int streamIndex, int fps, Size? size)
         {
+            _streamIndex = streamIndex;
             _fps = fps;
             _size = size;
         }
 
         private string ScaleText => _size.HasValue ? $"scale=w={_size.Value.Width}:h={_size.Value.Height}," : string.Empty;
 
-        public string Text => $"-filter_complex \"[0:v] fps={_fps},{ScaleText}split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer\"";
+        public string Text => $"-filter_complex \"[{_streamIndex}:v] fps={_fps},{ScaleText}split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer\"";
     }
 }
diff --git a/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs b/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs
index 635ef29..25394e2 100644
--- a/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs
+++ b/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs
@@ -76,7 +76,7 @@ public FFMpegArgumentOptions DeselectStreams(IEnumerable<int> streamIndices, int
         public FFMpegArgumentOptions WithAudibleEncryptionKeys(string key, string iv) => WithArgument(new AudibleEncryptionKeyArgument(key, iv));
         public FFMpegArgumentOptions WithAudibleActivationBytes(string activationBytes) => WithArgument(new AudibleEncryptionKeyArgument(activationBytes));
         public FFMpegArgumentOptions WithTagVersion(int id3v2Version = 3) => WithArgument(new ID3V2VersionArgument(id3v2Version));
-        public FFMpegArgumentOptions WithGifPalettArgument(Size? size, int fps = 12) => WithArgument(new GifPalettArgument(fps, size));
+        public FFMpegArgumentOptions WithGifPalettArgument(int streamIndex, Size? size, int fps = 12) => WithArgument(new GifPalettArgument(streamIndex, fps, size));
 
         public FFMpegArgumentOptions WithArgument(IArgument argument)
         {