diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 29bda5b..2f69ca9 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1988,7 +1988,11 @@
 	if (soft != RLIM_INFINITY) {
 		unsigned long next;
 
-		p->rt.timeout++;
+		if (p->rt.watchdog_stamp != jiffies) {
+			p->rt.timeout++;
+			p->rt.watchdog_stamp = jiffies;
+		}
+
 		next = DIV_ROUND_UP(min(soft, hard), USEC_PER_SEC/HZ);
 		if (p->rt.timeout > next)
 			p->cputime_expires.sched_exp = p->se.sum_exec_runtime;