diff --git a/target/linux/lantiq/image/vr9.mk b/target/linux/lantiq/image/vr9.mk
index d9978665687..909479587c7 100644
--- a/target/linux/lantiq/image/vr9.mk
+++ b/target/linux/lantiq/image/vr9.mk
@@ -282,6 +282,8 @@ define Device/zyxel_p-2812hnu-f3
   DEVICE_VARIANT := F3
   BOARD_NAME := P2812HNUF3
   DEVICE_PACKAGES := kmod-rt2800-pci wpad-basic-wolfssl kmod-usb-dwc2
+  KERNEL_SIZE := 2048k
   SUPPORTED_DEVICES += P2812HNUF3
+  DEFAULT := n
 endef
 TARGET_DEVICES += zyxel_p-2812hnu-f3