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--- a/src/mediaserver/cdplugins/pycommon/upmplgmodels.py
+++ b/src/mediaserver/cdplugins/pycommon/upmplgmodels.py
@@ -27,6 +27,7 @@
 
 
 class Album(Model):
+    upnpclass = "object.container.album.musicAlbum"
     name = "Unknown"
     artist = None
     artists = []
@@ -37,11 +38,13 @@
 
 
 class Artist(Model):
+    upnpclass = "object.container.person.musicArtist"
     name = "Unknown"
     role = None
 
 
 class Playlist(Model):
+    upnpclass = "object.container.album"
     name = None
     description = None
     num_tracks = -1
@@ -49,6 +52,7 @@
 
 
 class Track(Model):
+    upnpclass = "object.item.audioItem.musicTrack"
     duration = -1
     track_num = -1
     disc_num = 1
@@ -69,5 +73,6 @@
 class Category(Model):
     image = None
 
+
 class Genre(Model):
     pass