diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 20dc3be5ecfc..81be1db18c4b 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -703,7 +703,7 @@ int hpet_control(struct hpet_task *tp, unsigned int cmd, unsigned long arg)
 
 static ctl_table hpet_table[] = {
 	{
-	 .ctl_name = 1,
+	 .ctl_name = CTL_UNNUMBERED,
 	 .procname = "max-user-freq",
 	 .data = &hpet_max_freq,
 	 .maxlen = sizeof(int),
@@ -715,7 +715,7 @@ static ctl_table hpet_table[] = {
 
 static ctl_table hpet_root[] = {
 	{
-	 .ctl_name = 1,
+	 .ctl_name = CTL_UNNUMBERED,
 	 .procname = "hpet",
 	 .maxlen = 0,
 	 .mode = 0555,