diff --git a/libavformat/mtv.c b/libavformat/mtv.c
index 98c3790d25fa237a51d5c5a2b171910226f988dc..4eae1a19e63007f7ce1c0316e00cef1635d3e5e6 100644
--- a/libavformat/mtv.c
+++ b/libavformat/mtv.c
@@ -125,10 +125,9 @@ static int mtv_read_header(AVFormatContext *s, AVFormatParameters *ap)
     av_set_pts_info(st, 64, 1, mtv->video_fps);
     st->codec->codec_type      = AVMEDIA_TYPE_VIDEO;
     st->codec->codec_id        = CODEC_ID_RAWVIDEO;
-    st->codec->codec_tag       = MKTAG('R', 'G', 'B', mtv->img_bpp);
+    st->codec->pix_fmt         = PIX_FMT_RGB565;
     st->codec->width           = mtv->img_width;
     st->codec->height          = mtv->img_height;
-    st->codec->bits_per_coded_sample = mtv->img_bpp;
     st->codec->sample_rate     = mtv->video_fps;
     st->codec->extradata       = av_strdup("BottomUp");
     st->codec->extradata_size  = 9;