diff --git a/libavformat/thp.c b/libavformat/thp.c
index 714cec6cd3..91fa90f942 100644
--- a/libavformat/thp.c
+++ b/libavformat/thp.c
@@ -184,6 +184,8 @@ static int thp_read_packet(AVFormatContext *s,
         pkt->stream_index = thp->video_stream_index;
     } else {
         ret = av_get_packet(pb, pkt, thp->audiosize);
+        if (ret < 0)
+            return ret;
         if (ret != thp->audiosize) {
             av_free_packet(pkt);
             return AVERROR(EIO);