diff --git a/[refs] b/[refs]
index 9396ccf1e8a8..ca8f7d407413 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6730c3c14421b7c924d06e31bb66e0adad225547
+refs/heads/master: a47ab9371e664952b1104a70ec8e9b74db3f7a5f
diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
index ac3f5cc3bb51..b6506671b2be 100644
--- a/trunk/kernel/sched.c
+++ b/trunk/kernel/sched.c
@@ -815,7 +815,8 @@ static void activate_task(task_t *p, runqueue_t *rq, int local)
 	}
 #endif
 
-	p->prio = recalc_task_prio(p, now);
+	if (!rt_task(p))
+		p->prio = recalc_task_prio(p, now);
 
 	/*
 	 * This checks to make sure it's not an uninterruptible task