diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 00774ee0b3..d4f711af88 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -322,7 +322,7 @@ static int mxf_get_d10_aes3_packet(AVIOContext *pb, AVStream *st, AVPacket *pkt,
     data_ptr = pkt->data;
     end_ptr = pkt->data + length;
     buf_ptr = pkt->data + 4; /* skip SMPTE 331M header */
-    for (; buf_ptr + st->codec->channels*4 < end_ptr; ) {
+    for (; buf_ptr + st->codec->channels*4 <= end_ptr; ) {
         for (i = 0; i < st->codec->channels; i++) {
             uint32_t sample = bytestream_get_le32(&buf_ptr);
             if (st->codec->bits_per_coded_sample == 24)