diff --git a/stdlib/multiprocessing/managers.pyi b/stdlib/multiprocessing/managers.pyi
index fef3e1e21..a0f76b636 100644
--- a/stdlib/multiprocessing/managers.pyi
+++ b/stdlib/multiprocessing/managers.pyi
@@ -96,7 +96,9 @@ class BaseManager:
         create_method: bool = ...,
     ) -> None: ...
     def __enter__(self: Self) -> Self: ...
-    def __exit__(self, exc_type: type[BaseException], exc_val: BaseException, exc_tb: TracebackType) -> None: ...
+    def __exit__(
+        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
+    ) -> None: ...
 
 # Conflicts with method names
 _dict = dict