diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 03e55a1..ab67298 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -119,7 +119,7 @@
 	int ldo = max8998_get_ldo(rdev);
 	int val;
 
-	if (ldo > ARRAY_SIZE(ldo_voltage_map))
+	if (ldo >= ARRAY_SIZE(ldo_voltage_map))
 		return -EINVAL;
 
 	desc = ldo_voltage_map[ldo];
@@ -306,7 +306,7 @@
 	u8 val;
 	bool en_ramp = false;
 
-	if (ldo > ARRAY_SIZE(ldo_voltage_map))
+	if (ldo >= ARRAY_SIZE(ldo_voltage_map))
 		return -EINVAL;
 
 	desc = ldo_voltage_map[ldo];