diff --git a/stdlib/3/typing.pyi b/stdlib/3/typing.pyi
index 8a2b1000e..afc21186c 100644
--- a/stdlib/3/typing.pyi
+++ b/stdlib/3/typing.pyi
@@ -213,7 +213,7 @@ if sys.version_info >= (3, 6):
                    tb: Any = ...) -> Awaitable[_T_co]: ...
 
         @abstractmethod
-        def aclose(self) -> Awaitable[_T_co]: ...
+        def aclose(self) -> Awaitable[None]: ...
 
         @abstractmethod
         def __aiter__(self) -> AsyncGenerator[_T_co, _T_contra]: ...