diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 84610bbcc131434c0f0088ce095b82c8377187ca..b2c3c22fc13c1361cd923d7154baa7abf57e6b42 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -207,7 +207,7 @@ xpc_start_hb_beater(void)
 {
 	xpc_arch_ops.heartbeat_init();
 	timer_setup(&xpc_hb_timer, xpc_hb_beater, 0);
-	xpc_hb_beater(0);
+	xpc_hb_beater(NULL);
 }
 
 static void