diff --git a/src/server.ts b/src/server.ts
index 2406eca..b48ed12 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -149,9 +149,9 @@ async function transCommand(user: string, key: string): Promise<string[]>{
 	args = args.concat(['-i', 'rtmp://127.0.0.1:'+config['rtmp']['port']+'/'+config['media']['privateEndpoint']+'/'+key, '-movflags', '+faststart']);
 	if(config['transcode']['adaptive']===true && config['transcode']['variants'] > 1) {
 		for(let i=0;i<config['transcode']['variants'];i++){
-			args = args.concat(['-map', '0:2']);
+			args = args.concat(['-map', '0:v']);
 		}
-		args = args.concat(['-map', '0:1', '-c:a', 'aac', '-c:v:0', vcodec]);
+		args = args.concat(['-map', '0:a', '-c:a', 'aac', '-c:v:0', vcodec]);
 		for(let i=1;i<config['transcode']['variants'];i++){
 			args = args.concat(['-c:v:'+i, vcodec,]);
 		}