diff --git a/arch/arm/boot/dts/allwinner/sun9i-a80-cubieboard4.dts b/arch/arm/boot/dts/allwinner/sun9i-a80-cubieboard4.dts
index c8ca8cb7f5c9..52ad95a2063a 100644
--- a/arch/arm/boot/dts/allwinner/sun9i-a80-cubieboard4.dts
+++ b/arch/arm/boot/dts/allwinner/sun9i-a80-cubieboard4.dts
@@ -280,8 +280,8 @@
 
 			reg_dcdc5: dcdc5 {
 				regulator-always-on;
-				regulator-min-microvolt = <1425000>;
-				regulator-max-microvolt = <1575000>;
+				regulator-min-microvolt = <1450000>;
+				regulator-max-microvolt = <1550000>;
 				regulator-name = "vcc-dram";
 			};