diff --git a/stdlib/asyncio/events.pyi b/stdlib/asyncio/events.pyi
index 81b30b7e0..25b3846de 100644
--- a/stdlib/asyncio/events.pyi
+++ b/stdlib/asyncio/events.pyi
@@ -24,7 +24,7 @@ _SSLContext = Union[bool, None, ssl.SSLContext]
 _TransProtPair = tuple[BaseTransport, BaseProtocol]
 
 class Handle:
-    _cancelled = False
+    _cancelled: bool
     _args: Sequence[Any]
     if sys.version_info >= (3, 7):
         def __init__(