diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 0c3c951..abd79b7 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -275,8 +275,7 @@
 wavefront_sleep (int limit)
 
 {
-	set_current_state(TASK_INTERRUPTIBLE);
-	schedule_timeout(limit);
+	schedule_timeout_interruptible(limit);
 
 	return signal_pending(current);
 }
@@ -1788,8 +1787,7 @@
 	outb (val,port);
 	spin_unlock_irq(&dev->irq_lock);
 	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		if ((timeout = schedule_timeout(timeout)) == 0)
+		if ((timeout = schedule_timeout_interruptible(timeout)) == 0)
 			return;
 		if (dev->irq_ok)
 			return;