diff --git a/libavformat/riff.c b/libavformat/riff.c
index e3e966ab6e..458a8f2841 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -411,6 +411,7 @@ const AVCodecTag ff_codec_wav_tags[] = {
     { AV_CODEC_ID_PCM_MULAW,       0x6c75 },
     { AV_CODEC_ID_AAC,             0x706d },
     { AV_CODEC_ID_AAC,             0x4143 },
+    { AV_CODEC_ID_XAN_DPCM,        0x594a },
     { AV_CODEC_ID_G723_1,          0xA100 },
     { AV_CODEC_ID_AAC,             0xA106 },
     { AV_CODEC_ID_SPEEX,           0xA109 },