--- libev/ev_epoll.c	2008/10/29 07:09:37	1.40
+++ libev/ev_epoll.c	2008/10/29 07:10:16	1.41
@@ -80,7 +80,7 @@
   anfds [fd].emask = nev;
 
   /* store the generation counter in the upper 32 bits */
-  ev.data.u64 = fd | ((uint64_t)(uint32_t)++anfds [fd].egen << 32);
+  ev.data.u64 = (uint64_t)(uint32_t)fd | ((uint64_t)(uint32_t)++anfds [fd].egen << 32);
   ev.events   = (nev & EV_READ  ? EPOLLIN  : 0)
               | (nev & EV_WRITE ? EPOLLOUT : 0);