diff --git a/NEWS b/NEWS
index c1deceb9a..1b0fc1e59 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
 ver 0.20.21 (not yet released)
 * database
   - proxy: add "password" setting
+  - proxy: support tags "ArtistSort", "AlbumArtistSort", "AlbumSort"
 
 ver 0.20.20 (2018/05/22)
 * protocol
diff --git a/src/db/plugins/ProxyDatabasePlugin.cxx b/src/db/plugins/ProxyDatabasePlugin.cxx
index bd6da2f01..b3d2d0a05 100644
--- a/src/db/plugins/ProxyDatabasePlugin.cxx
+++ b/src/db/plugins/ProxyDatabasePlugin.cxx
@@ -170,6 +170,13 @@ static constexpr struct {
 #if LIBMPDCLIENT_CHECK_VERSION(2,10,0)
 	{ TAG_MUSICBRAINZ_RELEASETRACKID,
 	  MPD_TAG_MUSICBRAINZ_RELEASETRACKID },
+#endif
+#if LIBMPDCLIENT_CHECK_VERSION(2,11,0)
+	{ TAG_ARTIST_SORT, MPD_TAG_ARTIST_SORT },
+	{ TAG_ALBUM_ARTIST_SORT, MPD_TAG_ALBUM_ARTIST_SORT },
+#endif
+#if LIBMPDCLIENT_CHECK_VERSION(2,12,0)
+	{ TAG_ALBUM_SORT, MPD_TAG_ALBUM_SORT },
 #endif
 	{ TAG_NUM_OF_ITEM_TYPES, MPD_TAG_COUNT }
 };