diff --git a/stdlib/2/thread.pyi b/stdlib/2/thread.pyi
index a54a946a4..2f0483ff5 100644
--- a/stdlib/2/thread.pyi
+++ b/stdlib/2/thread.pyi
@@ -13,7 +13,7 @@ class LockType:
     def locked(self) -> bool: ...
     def locked_lock(self) -> bool: ...
     def __enter__(self) -> LockType: ...
-    def __exit__(self, value: Any, traceback: Any) -> None: ...
+    def __exit__(self, typ: Any, value: Any, traceback: Any) -> None: ...
 
 class _local(object):
     pass