diff --git a/mkbootimg.mk b/mkbootimg.mk
index 506edb8..0b1f6c4 100644
--- a/mkbootimg.mk
+++ b/mkbootimg.mk
@@ -8,6 +8,8 @@
 DEVICE_PATH := device/rockchip/orangepi5ultra
 KERNEL_PATH := device/rockchip/orangepi5ultra-kernel
 
+INSTALLED_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img
+
 OPI_BOOT_OUT := $(PRODUCT_OUT)/opiboot
 $(OPI_BOOT_OUT): $(PRODUCT_OUT)/ramdisk.img
 	mkdir -p $(OPI_BOOT_OUT)