fix

server/djrandom/frontend/static/player.js

@@ -490,6 +490,7 @@ djr.Player.prototype.extendCurrentPlaylist = function() {
 
     // Add the new chunk with the suggestions.
     var chunk_id = player.playlist.addChunk(new_chunk);
+    var songs = new_chunk.songs;
     player.savePlaylist();
 
     player.backend.getHtmlForSongs(songs, function(songs_html) {