diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 4d1c5a3..237f8bd 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -394,8 +394,9 @@
 
 	if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
-					       chip->mpu_port, 0,
-					       xirq, 0, &chip->rmidi)) < 0)
+					       chip->mpu_port,
+					       MPU401_INFO_IRQ_HOOK, -1,
+					       &chip->rmidi)) < 0)
 			return err;
 		chip->rmidi_callback = snd_mpu401_uart_interrupt;
 	}