diff --git a/falling_sand.py b/falling_sand.py
index 676e291..67af7c9 100755
--- a/falling_sand.py
+++ b/falling_sand.py
@@ -4,11 +4,11 @@ import pygame
 from pygame._sdl2 import Window
 from dataclasses import dataclass
 from wobbl_tools.data_file import load_dataclass_json, save_dataclass_json
-from random import choice
+from random import getrandbits
 
 
 def true_false_random():
-    return choice([True, False])
+    return getrandbits(1) == 0
 
 
 @dataclass