diff --git a/src/chipset/intel_piix.c b/src/chipset/intel_piix.c
index c0f28914b..f8302e854 100644
--- a/src/chipset/intel_piix.c
+++ b/src/chipset/intel_piix.c
@@ -1499,7 +1499,7 @@ static void
     if (dev->type < 4) {
 	cpu_fast_off_val = dev->regs[0][0xa8];
 	cpu_fast_off_count = cpu_fast_off_val + 1;
-	cpu_fast_off_register(&dev->fast_off_timer);
+	cpu_register_fast_off_handler(&dev->fast_off_timer);
     } else
 	cpu_fast_off_val = cpu_fast_off_count = 0;
 
diff --git a/src/chipset/intel_sio.c b/src/chipset/intel_sio.c
index 10b1b7380..bbc85662d 100644
--- a/src/chipset/intel_sio.c
+++ b/src/chipset/intel_sio.c
@@ -504,7 +504,7 @@ sio_init(const device_t *info)
 	cpu_fast_off_val = dev->regs[0xa8];
 	cpu_fast_off_count = cpu_fast_off_val + 1;
 
-	cpu_fast_off_register(&dev->fast_off_timer);
+	cpu_register_fast_off_handler(&dev->fast_off_timer);
     } else
 	cpu_fast_off_val = cpu_fast_off_count = 0;