diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index f7be1ac..09a2532 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -66,7 +66,7 @@ #define INET_TWDR_TWKILL_QUOTA 100
 struct inet_timewait_death_row {
 	/* Short-time timewait calendar */
 	int			twcal_hand;
-	int			twcal_jiffie;
+	unsigned long		twcal_jiffie;
 	struct timer_list	twcal_timer;
 	struct hlist_head	twcal_row[INET_TWDR_RECYCLE_SLOTS];