diff --git a/src/UI/Timeline/AnimationTimeline.gd b/src/UI/Timeline/AnimationTimeline.gd
index f0e932a..b3d78c9 100644
--- a/src/UI/Timeline/AnimationTimeline.gd
+++ b/src/UI/Timeline/AnimationTimeline.gd
@@ -375,7 +375,7 @@ func add_layer(is_new := true) -> void:
 		Global.current_project.undo_redo.add_do_property(f, "cels", new_cels)
 		Global.current_project.undo_redo.add_undo_property(f, "cels", f.cels)
 
-	Global.current_project.undo_redo.add_do_property(Global.current_project, "current_layer", Global.current_project.current_layer + 1)
+	Global.current_project.undo_redo.add_do_property(Global.current_project, "current_layer", Global.current_project.layers.size())
 	Global.current_project.undo_redo.add_do_property(Global.current_project, "layers", new_layers)
 	Global.current_project.undo_redo.add_undo_property(Global.current_project, "current_layer", Global.current_project.current_layer)
 	Global.current_project.undo_redo.add_undo_property(Global.current_project, "layers", Global.current_project.layers)