diff --git a/interface.py b/interface.py
index 6368da4..e4e8d28 100644
--- a/interface.py
+++ b/interface.py
@@ -414,7 +414,7 @@ def library():
                 pass
 
             if not total_count:
-                abort(204)
+                return ('', 204)
 
             if request.form['action'] == 'add':
                 items = dicts_to_items(var.bot, var.music_db.query_music(condition))