diff --git a/drivers/regulator/sm5703-regulator.c b/drivers/regulator/sm5703-regulator.c
index 05ad28fc4da8..229df7170792 100644
--- a/drivers/regulator/sm5703-regulator.c
+++ b/drivers/regulator/sm5703-regulator.c
@@ -42,6 +42,7 @@ static const int sm5703_buck_voltagemap[] = {
 		.type = REGULATOR_VOLTAGE,				\
 		.id = SM5703_USBLDO ## _id,				\
 		.ops = &sm5703_regulator_ops_fixed,			\
+		.n_voltages = 1,					\
 		.fixed_uV = SM5703_USBLDO_MICROVOLT,			\
 		.enable_reg = SM5703_REG_USBLDO12,			\
 		.enable_mask = SM5703_REG_EN_USBLDO ##_id,		\
@@ -56,6 +57,7 @@ static const int sm5703_buck_voltagemap[] = {
 		.type = REGULATOR_VOLTAGE,				\
 		.id = SM5703_VBUS,					\
 		.ops = &sm5703_regulator_ops_fixed,			\
+		.n_voltages = 1,					\
 		.fixed_uV = SM5703_VBUS_MICROVOLT,			\
 		.enable_reg = SM5703_REG_CNTL,				\
 		.enable_mask = SM5703_OPERATION_MODE_MASK,		\