diff --git a/src/ev_poll.c b/src/ev_poll.c
index f72dfe2..b05fec1 100644
--- a/src/ev_poll.c
+++ b/src/ev_poll.c
@@ -230,6 +230,7 @@
 	p->poll = _do_poll;
 	p->is_set = __fd_is_set;
 	p->set = __fd_set;
+	p->wai = __fd_set;
 	p->clr = __fd_clr;
 	p->clo = p->rem = __fd_rem;
 }