diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 27343e1c43ef..383cd7533721 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -357,7 +357,7 @@ static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
 	return 0;
 }
 
-static struct regulator_ops s5m8767_ops = {
+static const struct regulator_ops s5m8767_ops = {
 	.list_voltage		= regulator_list_voltage_linear,
 	.is_enabled		= regulator_is_enabled_regmap,
 	.enable			= regulator_enable_regmap,
@@ -367,7 +367,7 @@ static struct regulator_ops s5m8767_ops = {
 	.set_voltage_time_sel	= s5m8767_set_voltage_time_sel,
 };
 
-static struct regulator_ops s5m8767_buck78_ops = {
+static const struct regulator_ops s5m8767_buck78_ops = {
 	.list_voltage		= regulator_list_voltage_linear,
 	.is_enabled		= regulator_is_enabled_regmap,
 	.enable			= regulator_enable_regmap,