diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index 581b7bc86901c633e33627768f342f26d20789aa..a7c0da555796b82b212e5a0e99aa24681c4f01a1 100644
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -1752,6 +1752,7 @@ static int vorbis_decode_frame(AVCodecContext *avctx, void *data,
     if (!vc->first_frame) {
         vc->first_frame = 1;
         *got_frame_ptr = 0;
+        av_frame_unref(frame);
         return buf_size;
     }