diff --git a/libavformat/riff.c b/libavformat/riff.c
index 55418514bf..34c0dd36f8 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -292,6 +292,7 @@ const AVCodecTag ff_codec_wav_tags[] = {
     { CODEC_ID_WMALOSSLESS,     0x0163 },
     { CODEC_ID_ADPCM_CT,        0x0200 },
     { CODEC_ID_ATRAC3,          0x0270 },
+    { CODEC_ID_ADPCM_G722,      0x028F },
     { CODEC_ID_IMC,             0x0401 },
     { CODEC_ID_GSM_MS,          0x1500 },
     { CODEC_ID_TRUESPEECH,      0x1501 },