diff --git a/NEWS b/NEWS
index acf2f70b5..357e739eb 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,6 @@
 ver 0.21.20 (not yet released)
 * decoder
-  - ffmpeg: handle MIME type "audio/wav"
+  - audiofile, ffmpeg, sndfile: handle MIME type "audio/wav"
   - vorbis, opus: fix seeking in small files
 
 ver 0.21.19 (2020/01/17)
diff --git a/src/decoder/plugins/AudiofileDecoderPlugin.cxx b/src/decoder/plugins/AudiofileDecoderPlugin.cxx
index 8ebc68ca4..3ecfb4bba 100644
--- a/src/decoder/plugins/AudiofileDecoderPlugin.cxx
+++ b/src/decoder/plugins/AudiofileDecoderPlugin.cxx
@@ -269,6 +269,8 @@ static const char *const audiofile_suffixes[] = {
 };
 
 static const char *const audiofile_mime_types[] = {
+	"audio/wav",
+	"audio/aiff",
 	"audio/x-wav",
 	"audio/x-aiff",
 	nullptr
diff --git a/src/decoder/plugins/SndfileDecoderPlugin.cxx b/src/decoder/plugins/SndfileDecoderPlugin.cxx
index 08cbb88c1..de0f45112 100644
--- a/src/decoder/plugins/SndfileDecoderPlugin.cxx
+++ b/src/decoder/plugins/SndfileDecoderPlugin.cxx
@@ -322,6 +322,8 @@ static const char *const sndfile_suffixes[] = {
 };
 
 static const char *const sndfile_mime_types[] = {
+	"audio/wav",
+	"audio/aiff",
 	"audio/x-wav",
 	"audio/x-aiff",