diff --git a/stdlib/signal.pyi b/stdlib/signal.pyi
index 5e0994137..80fe5cac2 100644
--- a/stdlib/signal.pyi
+++ b/stdlib/signal.pyi
@@ -61,7 +61,7 @@ SIG_IGN: Handlers
 _SIGNUM = Union[int, Signals]
 _HANDLER = Union[Callable[[int, Optional[FrameType]], Any], int, Handlers, None]
 
-def default_int_handler(signum: int, frame: FrameType) -> None: ...
+def default_int_handler(signum: int, frame: FrameType | None) -> None: ...
 def getsignal(__signalnum: _SIGNUM) -> _HANDLER: ...
 def signal(__signalnum: _SIGNUM, __handler: _HANDLER) -> _HANDLER: ...