diff --git a/addons/world_generator/ui/RectView.gd b/addons/world_generator/ui/RectView.gd
index 5e25439..29f94d4 100644
--- a/addons/world_generator/ui/RectView.gd
+++ b/addons/world_generator/ui/RectView.gd
@@ -80,7 +80,8 @@ func _draw():
 	draw_line(Vector2(get_size().x - _rect_scale, get_size().y - rsh), Vector2(get_size().x - _rect_scale, get_size().y), c)
 	draw_line(Vector2(get_size().x - rsh, get_size().y - _rect_scale), Vector2(get_size().x, get_size().y - _rect_scale), c)
 	
-	edited_resource.editor_draw_additional_background(self)
+	if edited_resource:
+		edited_resource.editor_draw_additional_background(self)
 	
 func refresh() -> void:
 	clear()