diff --git a/configs/pinephone-pro-rk3399_defconfig b/configs/pinephone-pro-rk3399_defconfig
index 4edea88665..e4a8beeb1a 100644
--- a/configs/pinephone-pro-rk3399_defconfig
+++ b/configs/pinephone-pro-rk3399_defconfig
@@ -73,6 +73,7 @@ CONFIG_PMIC_RK8XX=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM_ROCKCHIP_LPDDR4=y
 CONFIG_DM_RNG=y
 CONFIG_RNG_ROCKCHIP=y
 CONFIG_BAUDRATE=1500000