diff --git a/stdlib/2and3/argparse.pyi b/stdlib/2and3/argparse.pyi
index 4cbf83bc8..88b909793 100644
--- a/stdlib/2and3/argparse.pyi
+++ b/stdlib/2and3/argparse.pyi
@@ -138,8 +138,8 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     def parse_known_args(self, args: Optional[Sequence[_Text]] = ...,
                          namespace: Optional[Namespace] = ...) -> Tuple[Namespace, List[str]]: ...
     def convert_arg_line_to_args(self, arg_line: _Text) -> List[str]: ...
-    def exit(self, status: int = ..., message: Optional[_Text] = ...) -> None: ...
-    def error(self, message: _Text) -> None: ...
+    def exit(self, status: int = ..., message: Optional[_Text] = ...) -> NoReturn: ...
+    def error(self, message: _Text) -> NoReturn: ...
     if sys.version_info >= (3, 7):
         def parse_intermixed_args(self, args: Optional[Sequence[_Text]] = ...,
                                   namespace: Optional[Namespace] = ...) -> Namespace: ...