diff --git a/network.c b/network.c
index 55e655c50..946ec0794 100644
--- a/network.c
+++ b/network.c
@@ -628,7 +628,7 @@ static int do_connect(const struct addrinfo *addrinfo,
 	SOCKET s;
 
 	s = WSASocketW(addrinfo->ai_family, addrinfo->ai_socktype, 0, NULL, 0,
-		WSA_FLAG_NO_HANDLE_INHERIT);
+		WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED);
 	if (s == INVALID_SOCKET)
 		return -WSAGetLastError();