diff --git a/NEWS b/NEWS
index 57da4d7ae..cd69a7a6e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,6 @@
 ver 0.19.4 (not yet released)
+* decoder
+  - opus: add MIME types audio/ogg and application/ogg
 
 ver 0.19.3 (2014/11/11)
 * protocol
diff --git a/src/decoder/plugins/OpusDecoderPlugin.cxx b/src/decoder/plugins/OpusDecoderPlugin.cxx
index b6b2e0465..25497fe8a 100644
--- a/src/decoder/plugins/OpusDecoderPlugin.cxx
+++ b/src/decoder/plugins/OpusDecoderPlugin.cxx
@@ -510,6 +510,13 @@ static const char *const opus_suffixes[] = {
 };
 
 static const char *const opus_mime_types[] = {
+	/* the official MIME type (RFC 5334) */
+	"audio/ogg",
+
+	/* deprecated (RFC 5334) */
+	"application/ogg",
+
+	/* deprecated; from an early draft */
 	"audio/opus",
 	nullptr
 };