diff --git a/libstormgames.py b/libstormgames.py
index bd74b66..fe6f156 100755
--- a/libstormgames.py
+++ b/libstormgames.py
@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 """Standard initializations and functions shared by all games."""
 
+from sys import exit
 import configparser
 import os
 from os import listdir