diff --git a/goutubedl.go b/goutubedl.go
index 1da583e..4e2110c 100644
--- a/goutubedl.go
+++ b/goutubedl.go
@@ -211,6 +211,8 @@ type Options struct {
 	DebugLog          Printer
 	StderrFn          func(cmd *exec.Cmd) io.Writer // if not nil, function to get Writer for stderr
 	HTTPClient        *http.Client                  // Client for download thumbnail and subtitles (nil use http.DefaultClient)
+	MergeOutputFormat string                        // --merge-output-format
+	SortingFormat     string                        // --format-sort
 }
 
 // Version of youtube-dl.
@@ -474,6 +476,18 @@ func (result Result) Download(ctx context.Context, filter string) (*DownloadResu
 		cmd.Args = append(cmd.Args, "--downloader", result.Options.Downloader)
 	}
 
+	if result.Options.MergeOutputFormat != "" {
+		cmd.Args = append(cmd.Args,
+			"--merge-output-format", result.Options.MergeOutputFormat,
+		)
+	}
+
+	if result.Options.SortingFormat != "" {
+		cmd.Args = append(cmd.Args,
+			"--format-sort", result.Options.SortingFormat,
+		)
+	}
+
 	cmd.Dir = tempPath
 	var w io.WriteCloser
 	dr.reader, w = io.Pipe()