diff --git a/modtools/pedalboard.py b/modtools/pedalboard.py
index 9be2f493..b8d9b7a9 100644
--- a/modtools/pedalboard.py
+++ b/modtools/pedalboard.py
@@ -559,7 +559,7 @@ def _take_screenshot(args):
     args = parser.parse_args()
     if hasattr(args, 'func'):
         args.func(args)
-        exit(0)
+        sys.exit(0)
     else:
         parser.print_usage()