diff --git a/stdlib/xml/sax/__init__.pyi b/stdlib/xml/sax/__init__.pyi
index ff5f5b8df..b8ab4d439 100644
--- a/stdlib/xml/sax/__init__.pyi
+++ b/stdlib/xml/sax/__init__.pyi
@@ -15,7 +15,7 @@ class SAXException(Exception):
     def __getitem__(self, ix: Any) -> NoReturn: ...
 
 class SAXParseException(SAXException):
-    def __init__(self, msg: str, exception: Exception, locator: Locator) -> None: ...
+    def __init__(self, msg: str, exception: Exception | None, locator: Locator) -> None: ...
     def getColumnNumber(self) -> int: ...
     def getLineNumber(self) -> int: ...
     def getPublicId(self): ...