diff --git a/libavformat/hls.c b/libavformat/hls.c
index e4770ab33b..e50220b0b2 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1629,6 +1629,8 @@ static int hls_read_seek(AVFormatContext *s, int stream_index,
         pls->pb.buf_end = pls->pb.buf_ptr = pls->pb.buffer;
         /* Reset the pos, to let the mpegts demuxer know we've seeked. */
         pls->pb.pos = 0;
+        /* Flush the packet queue of the subdemuxer. */
+        ff_read_frame_flush(pls->ctx);
 
         pls->seek_timestamp = seek_timestamp;
         pls->seek_flags = flags;