diff --git a/target/linux/oxnas/files/arch/arm/boot/dts/ox820-shuttle-kd20.dts b/target/linux/oxnas/files/arch/arm/boot/dts/ox820-shuttle-kd20.dts
index a2c522a06e..9186d08585 100644
--- a/target/linux/oxnas/files/arch/arm/boot/dts/ox820-shuttle-kd20.dts
+++ b/target/linux/oxnas/files/arch/arm/boot/dts/ox820-shuttle-kd20.dts
@@ -15,8 +15,8 @@
 	};
 
 	memory {
-		/* 128Mbytes DDR */
-		reg = <0x60000000 0x8000000>;
+		/* 256Mbytes DDR */
+		reg = <0x60000000 0x10000000>;
 	};
 
 	aliases {