diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index d909fa58a7..7beea11933 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -812,7 +812,6 @@ static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int u
         }
         if ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO || st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) &&
             pkt->dts != AV_NOPTS_VALUE &&
-            !(st->codecpar->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
             ost->last_mux_dts != AV_NOPTS_VALUE) {
             int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
             if (pkt->dts < max) {