diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index b7622bc09d..e7a4a3d9e1 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -2257,6 +2257,14 @@ static int dash_write_packet(AVFormatContext *s, AVPacket *pkt)
         if (ret < 0) {
             return handle_io_open_error(s, ret, os->temp_path);
         }
+
+        // in streaming mode, the segments are available for playing
+        // before fully written but the manifest is needed so that
+        // clients and discover the segment filenames.
+        if (c->streaming && os->segment_type == SEGMENT_TYPE_MP4) {
+            write_manifest(s, 0);
+        }
+
         if (c->lhls) {
             char *prefetch_url = use_rename ? NULL : os->filename;
             write_hls_media_playlist(os, s, pkt->stream_index, 0, prefetch_url);