diff --git a/src/server.ts b/src/server.ts
index b48ed12..1546a86 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -155,9 +155,11 @@ async function transCommand(user: string, key: string): Promise<string[]>{
 		for(let i=1;i<config['transcode']['variants'];i++){
 			args = args.concat(['-c:v:'+i, vcodec,]);
 		}
-		for(let i=1;i<config['transcode']['variants'];i++){
-			let crf: number = Math.floor(18 + (i * 8)) > 51 ? 51 : Math.floor(18 + (i * 7));
-			args = args.concat(['-crf:'+i, ''+crf]);
+		if(!config['hwaccel']['type']){
+			for(let i=1;i<config['transcode']['variants'];i++){
+				let crf: number = Math.floor(18 + (i * 8)) > 51 ? 51 : Math.floor(18 + (i * 7));
+				args = args.concat(['-crf:'+i, ''+crf]);
+			}
 		}
 		for(let i=1;i<config['transcode']['variants'];i++){
 			let bv: number = Math.floor((10000 / config['transcode']['variants']) * (config['transcode']['variants'] - i));