diff --git a/main.go b/main.go
index 14b4e40..36305ab 100644
--- a/main.go
+++ b/main.go
@@ -13,6 +13,7 @@ type CliFlags struct {
 	outputFileName   string
 	manifestFileName string
 	userAgent        string
+	ffmpegArgs       string
 	verbose          bool
 }
 
@@ -149,7 +150,7 @@ func ugoira2videoCmd(args []string, flags CliFlags) {
 		die("Could not read manifest: %s", err)
 	}
 
-	err = ugoira2video(decodeUgoiraManifest(manifestData), ugoiraFileName, flags.outputFileName)
+	err = ugoira2video(decodeUgoiraManifest(manifestData), ugoiraFileName, flags.outputFileName, flags.ffmpegArgs)
 	if err != nil {
 		die("Conversion failed: %s", err)
 	}
@@ -166,6 +167,7 @@ func main() {
 
 	u2vCmd := flag.NewFlagSet("u2v", flag.ExitOnError)
 	u2vCmd.StringVar(&flags.outputFileName, "o", "", "Converted Ugoira output file")
+	u2vCmd.StringVar(&flags.ffmpegArgs, "ffmpeg-args", "", "Arguments to be supplied to FFmpeg")
 
 	if len(os.Args) < 2 {
 		die("expected command")