diff --git a/event.c b/event.c
index 438f3f28..8e94003d 100644
--- a/event.c
+++ b/event.c
@@ -735,7 +735,7 @@ event_add(struct event *ev, const struct timeval *tv)
 		evutil_timeradd(&now, tv, &ev->ev_timeout);
 
 		event_debug((
-			 "event_add: timeout in %d seconds, call %p",
+			 "event_add: timeout in %ld seconds, call %p",
 			 tv->tv_sec, ev->ev_callback));
 
 		event_queue_insert(base, ev, EVLIST_TIMEOUT);
@@ -844,7 +844,7 @@ timeout_next(struct event_base *base, struct timeval **tv_p)
 	assert(tv->tv_sec >= 0);
 	assert(tv->tv_usec >= 0);
 
-	event_debug(("timeout_next: in %d seconds", tv->tv_sec));
+	event_debug(("timeout_next: in %ld seconds", tv->tv_sec));
 	return (0);
 }
 
diff --git a/kqueue.c b/kqueue.c
index 462d90b9..2dea1fba 100644
--- a/kqueue.c
+++ b/kqueue.c
@@ -193,9 +193,9 @@ kq_insert(struct kqop *kqop, struct kevent *kev)
 	memcpy(&kqop->changes[kqop->nchanges++], kev, sizeof(struct kevent));
 
 	event_debug(("%s: fd %d %s%s",
-		 __func__, kev->ident, 
-		 kev->filter == EVFILT_READ ? "EVFILT_READ" : "EVFILT_WRITE",
-		 kev->flags == EV_DELETE ? " (del)" : ""));
+		__func__, (int)kev->ident, 
+		kev->filter == EVFILT_READ ? "EVFILT_READ" : "EVFILT_WRITE",
+		kev->flags == EV_DELETE ? " (del)" : ""));
 
 	return (0);
 }