diff --git a/target/linux/ramips/dts/RE6500.dts b/target/linux/ramips/dts/RE6500.dts
index 9ce0fd88e5..7aa29efa7e 100644
--- a/target/linux/ramips/dts/RE6500.dts
+++ b/target/linux/ramips/dts/RE6500.dts
@@ -8,7 +8,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x8000000>;
+		reg = <0x0 0x4000000>;
 	};
 
 	chosen {