diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 9ce5136..8c3c78c 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -190,7 +190,7 @@
 };
 
 static struct irqaction rt_irqaction = {
-	.handler	= ip27_rt_timer_interrupt,
+	.handler	= (irq_handler_t) ip27_rt_timer_interrupt,
 	.flags		= IRQF_DISABLED,
 	.mask		= CPU_MASK_NONE,
 	.name		= "timer"