diff --git a/target/linux/oxnas/files/arch/arm/boot/dts/ox820-stg212.dts b/target/linux/oxnas/files/arch/arm/boot/dts/ox820-stg212.dts
index 5d838065ce0..a0704bb348e 100644
--- a/target/linux/oxnas/files/arch/arm/boot/dts/ox820-stg212.dts
+++ b/target/linux/oxnas/files/arch/arm/boot/dts/ox820-stg212.dts
@@ -14,7 +14,7 @@
 	model = "MitraStar Technology Corp. STG-212";
 
 	chosen {
-		bootargs = "console=ttyS0,115200n8 earlyprintk=serial";
+		bootargs = "console=ttyS0,115200n8 earlyprintk=serial mem=128M";
 	};
 
 	uart@44200000 {