diff --git a/stream.go b/stream.go
index 87fbeb83..7c78f379 100644
--- a/stream.go
+++ b/stream.go
@@ -305,11 +305,11 @@ func (s *Stream) transcode(startId int) {
 	// Scaling for output
 	var scale string
 	if CV == "h264_vaapi" {
-		scale = fmt.Sprintf("scale_vaapi=w=%d:h=%d:force_original_aspect_ratio=decrease", s.width, s.height)
+		scale = fmt.Sprintf("format=nv12|vaapi,hwupload,scale_vaapi=w=%d:h=%d:force_original_aspect_ratio=decrease", s.width, s.height)
 	} else if s.width >= s.height {
-		scale = fmt.Sprintf("scale=-2:%d", s.height)
+		scale = fmt.Sprintf("format=nv12,scale=-2:%d", s.height)
 	} else {
-		scale = fmt.Sprintf("scale=%d:-2", s.width)
+		scale = fmt.Sprintf("format=nv12,scale=%d:-2", s.width)
 	}
 
 	// do not scale or set bitrate for full quality