diff --git a/ffserver_config.c b/ffserver_config.c
index 0ec93b5fda..e0fc6876e0 100644
--- a/ffserver_config.c
+++ b/ffserver_config.c
@@ -323,6 +323,8 @@ done:
     av_dict_free(&recommended);
     av_stream_set_recommended_encoder_configuration(st, enc_config);
     st->codec = av;
+    st->codecpar = avcodec_parameters_alloc();
+    avcodec_parameters_from_context(st->codecpar, av);
     stream->streams[stream->nb_streams++] = st;
 }