diff --git a/huion_keys.py b/huion_keys.py
index 7ed0d55..1de8419 100755
--- a/huion_keys.py
+++ b/huion_keys.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import os
+import sys
 import time
 import signal
 import argparse
@@ -32,7 +33,7 @@ def main():
     args = parser.parse_args()
     if args.rules:
         make_rules()
-        os._exit(0)
+        sys.exit(0)
 
     global CONFIG_FILE_PATH
     if args.config is None: