diff --git a/libavformat/avformat.c b/libavformat/avformat.c
index eb9afad837..3801ef5d58 100644
--- a/libavformat/avformat.c
+++ b/libavformat/avformat.c
@@ -190,6 +190,7 @@ void avformat_free_context(AVFormatContext *s)
     av_dict_free(&si->id3v2_meta);
     av_packet_free(&si->pkt);
     av_packet_free(&si->parse_pkt);
+    avpriv_packet_list_free(&si->packet_buffer);
     av_freep(&s->streams);
     av_freep(&s->stream_groups);
     if (s->iformat)