diff --git a/stdlib/2.7/select.pyi b/stdlib/2.7/select.pyi
index f17b22dae..6af68467a 100644
--- a/stdlib/2.7/select.pyi
+++ b/stdlib/2.7/select.pyi
@@ -66,7 +66,7 @@ POLLWRBAND = ...  # type: int
 POLLWRNORM = ...  # type: int
 
 def poll() -> epoll: ...
-def select(rlist, wlist, xlist, timeout: Optional[int]) -> Tuple[List, List, List]: ...
+def select(rlist, wlist, xlist, timeout: float = None) -> Tuple[List, List, List]: ...
 
 class error(Exception): ...