diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index ef5aa2c..b138b43 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -714,7 +714,7 @@
 
 static int __init pm_disk_init(void)
 {
-	return sysfs_create_group(&power_kset->kobj, &attr_group);
+	return sysfs_create_group(power_kobj, &attr_group);
 }
 
 core_initcall(pm_disk_init);