diff --git a/libmpdemux/demux_lavf.c b/libmpdemux/demux_lavf.c
index 21e53465de..06370ebdc9 100644
--- a/libmpdemux/demux_lavf.c
+++ b/libmpdemux/demux_lavf.c
@@ -595,8 +595,8 @@ static int demux_lavf_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
     if(pkt.pts != AV_NOPTS_VALUE){
         dp->pts=pkt.pts * av_q2d(priv->avfc->streams[id]->time_base);
         priv->last_pts= dp->pts * AV_TIME_BASE;
-        if(pkt.duration)
-            dp->endpts = dp->pts + pkt.duration * av_q2d(priv->avfc->streams[id]->time_base);
+        if(pkt.convergence_duration)
+            dp->endpts = dp->pts + pkt.convergence_duration * av_q2d(priv->avfc->streams[id]->time_base);
     }
     dp->pos=demux->filepos;
     dp->flags= !!(pkt.flags&PKT_FLAG_KEY);