diff --git a/ffmpeg.c b/ffmpeg.c
index 8a74ad1224..e0cd1e6149 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -575,10 +575,11 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
 
     if (debug_ts) {
         av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
-                "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+                "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
                 av_get_media_type_string(ost->st->codec->codec_type),
                 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
-                av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base)
+                av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
+                pkt->size
               );
     }