diff --git a/libavformat/riff.c b/libavformat/riff.c
index 440a36b309..0f98422530 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -405,6 +405,7 @@ const AVCodecTag ff_codec_wav_tags[] = {
     { AV_CODEC_ID_ADPCM_G726,      0x0064 },
     { AV_CODEC_ID_ADPCM_IMA_WAV,   0x0069 },
     { AV_CODEC_ID_METASOUND,       0x0075 },
+    { AV_CODEC_ID_G729,            0x0083 },
     { AV_CODEC_ID_AAC,             0x00ff },
     { AV_CODEC_ID_G723_1,          0x0111 },
     { AV_CODEC_ID_SIPR,            0x0130 },