diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 2d521cb362..4e9ce1b952 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -6359,6 +6359,7 @@ static int mov_create_timecode_track(AVFormatContext *s, int index, int src_inde
     pkt->data = data;
     pkt->stream_index = index;
     pkt->flags = AV_PKT_FLAG_KEY;
+    pkt->pts = pkt->dts = av_rescale_q(tc.start, av_inv_q(rate), (AVRational){1,mov->movie_timescale});
     pkt->size = 4;
     AV_WB32(pkt->data, tc.start);
     ret = ff_mov_write_packet(s, pkt);