diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c
index 07db9f96a3..e95ff34182 100644
--- a/libavformat/concatdec.c
+++ b/libavformat/concatdec.c
@@ -172,6 +172,8 @@ static int copy_stream_props(AVStream *st, AVStream *source_st)
     st->avg_frame_rate      = source_st->avg_frame_rate;
     st->time_base           = source_st->time_base;
     st->sample_aspect_ratio = source_st->sample_aspect_ratio;
+
+    av_dict_copy(&st->metadata, source_st->metadata, 0);
     return 0;
 }