diff --git a/rhythm_game/note/visual/note_scenes.gd b/rhythm_game/note/visual/note_scenes.gd
index d90e204..aec8441 100644
--- a/rhythm_game/note/visual/note_scenes.gd
+++ b/rhythm_game/note/visual/note_scenes.gd
@@ -1,5 +1,5 @@
 ## Static class that stores references to note scenes.
-class_name NoteScenes extends Object
+@abstract class_name NoteScenes extends Object
 
 static func get_tap(skin: StringName = "default") -> PackedScene:
 	if _tap_scenes.has(skin):