diff --git a/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-hap-ac2.dts b/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-hap-ac2.dts
index e1e6326ae97..d03409b556e 100644
--- a/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-hap-ac2.dts
+++ b/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-hap-ac2.dts
@@ -191,6 +191,7 @@
 
 				hard_config {
 					read-only;
+					size = <0x2000>;
 				};
 
 				dtb_config {