diff --git a/libavformat/wtvenc.c b/libavformat/wtvenc.c
index d1c446ccb0..71ff2081bc 100644
--- a/libavformat/wtvenc.c
+++ b/libavformat/wtvenc.c
@@ -713,7 +713,7 @@ AVOutputFormat ff_wtv_muxer = {
     .long_name      = NULL_IF_CONFIG_SMALL("Windows Television (WTV)"),
     .extensions     = "wtv",
     .priv_data_size = sizeof(WtvContext),
-    .audio_codec    = CODEC_ID_MP2,
+    .audio_codec    = CODEC_ID_AC3,
     .video_codec    = CODEC_ID_MPEG2VIDEO,
     .write_header   = write_header,
     .write_packet   = write_packet,