diff --git a/utilities/database_upgrader.py b/utilities/database_upgrader.py
index 0fc92ca..96432a3 100644
--- a/utilities/database_upgrader.py
+++ b/utilities/database_upgrader.py
@@ -60,7 +60,7 @@ def main(argv):
     parser.set_defaults(func=upgrade_all_argparse)
 
     args = parser.parse_args(argv)
-    args.func(args)
+    return args.func(args)
 
 if __name__ == '__main__':
-    main(sys.argv[1:])
+    raise SystemExit(main(sys.argv[1:]))