diff --git a/drivers/power/domain/imx8m-power-domain.c b/drivers/power/domain/imx8m-power-domain.c
index 1c731b897cc..5fdb95fb6a7 100644
--- a/drivers/power/domain/imx8m-power-domain.c
+++ b/drivers/power/domain/imx8m-power-domain.c
@@ -558,7 +558,7 @@ static const struct udevice_id imx8m_power_domain_ids[] = {
 	{ }
 };
 
-struct power_domain_ops imx8m_power_domain_ops = {
+static const struct power_domain_ops imx8m_power_domain_ops = {
 	.on = imx8m_power_domain_on,
 	.off = imx8m_power_domain_off,
 	.of_xlate = imx8m_power_domain_of_xlate,