diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c
index e2e6e66f1f..2b7058560d 100644
--- a/libavformat/mvdec.c
+++ b/libavformat/mvdec.c
@@ -267,6 +267,8 @@ static void read_index(AVIOContext *pb, AVStream *st)
         uint32_t pos  = avio_rb32(pb);
         uint32_t size = avio_rb32(pb);
         avio_skip(pb, 8);
+        if (avio_feof(pb))
+            return ;
         av_add_index_entry(st, pos, timestamp, size, 0, AVINDEX_KEYFRAME);
         if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
             timestamp += size / (st->codecpar->channels * 2LL);