diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
index 134f90ec9ca1..762e18447cae 100644
--- a/drivers/regulator/pcf50633-regulator.c
+++ b/drivers/regulator/pcf50633-regulator.c
@@ -41,7 +41,7 @@
 		.enable_mask = PCF50633_REGULATOR_ON,		\
 	}
 
-static struct regulator_ops pcf50633_regulator_ops = {
+static const struct regulator_ops pcf50633_regulator_ops = {
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.list_voltage = regulator_list_voltage_linear,