diff --git a/libavcodec/options.c b/libavcodec/options.c
index d2d8c0a2f6da49f3775b3536f0ecec369a904162..bb69ba80e442c8088fb5f348e07b4c5f3ce79b1c 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -442,6 +442,7 @@ void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type)
 
     s->palctrl = NULL;
     s->reget_buffer= avcodec_default_reget_buffer;
+    s->reordered_opaque= AV_NOPTS_VALUE;
 }
 
 AVCodecContext *avcodec_alloc_context2(enum CodecType codec_type){