diff --git a/libavformat/isom.c b/libavformat/isom.c
index 9e7fa5a..e5be981 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -231,6 +231,7 @@
     { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
     { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
     { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /*  */
+    { CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
     { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
     { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
     { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },