diff --git a/configs/kontron-sl-mx8mm_defconfig b/configs/kontron-sl-mx8mm_defconfig
index 7b6ab1e217f..71dde10ee4f 100644
--- a/configs/kontron-sl-mx8mm_defconfig
+++ b/configs/kontron-sl-mx8mm_defconfig
@@ -131,6 +131,7 @@ CONFIG_DM_PMIC_PCA9450=y
 CONFIG_SPL_DM_PMIC_PCA9450=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_PCA9450=y
+CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_RV3028=y
 CONFIG_RTC_RV8803=y