diff --git a/libavformat/au.c b/libavformat/au.c
index 93b4356536..c6d5026e95 100644
--- a/libavformat/au.c
+++ b/libavformat/au.c
@@ -37,6 +37,7 @@
 /* The ffmpeg codecs we support, and the IDs they have in the file */
 static const AVCodecTag codec_au_tags[] = {
     { CODEC_ID_PCM_MULAW, 1 },
+    { CODEC_ID_PCM_S8, 2 },
     { CODEC_ID_PCM_S16BE, 3 },
     { CODEC_ID_PCM_ALAW, 27 },
     { 0, 0 },