diff --git a/libavformat/r3d.c b/libavformat/r3d.c
index 73e73986ff..877c901748 100644
--- a/libavformat/r3d.c
+++ b/libavformat/r3d.c
@@ -277,6 +277,10 @@ static int r3d_read_reda(AVFormatContext *s, AVPacket *pkt, Atom *atom)
     dts = avio_rb32(s->pb);
 
     st->codec->sample_rate = avio_rb32(s->pb);
+    if (st->codec->sample_rate <= 0) {
+        av_log(s, AV_LOG_ERROR, "Bad sample rate\n");
+        return AVERROR_INVALIDDATA;
+    }
 
     samples = avio_rb32(s->pb);