diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 81be1db..0be700f 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -1018,7 +1018,7 @@
 	if (result < 0)
 		return -ENODEV;
 
-	sysctl_header = register_sysctl_table(dev_root, 0);
+	sysctl_header = register_sysctl_table(dev_root);
 
 	result = acpi_bus_register_driver(&hpet_acpi_driver);
 	if (result < 0) {