diff --git a/config/boards/rk3318-box.tvb b/config/boards/rk3318-box.tvb
index add4e4049d..b50743b16e 100644
--- a/config/boards/rk3318-box.tvb
+++ b/config/boards/rk3318-box.tvb
@@ -21,7 +21,7 @@ enable_extension xorg-lima-serverflags
 function post_family_config__uboot_cmdline() {
 
 	BOOTDELAY=1
-	UBOOT_TARGET_MAP="BL31=bl31.elf;;idbloader.img u-boot.itb"
+	UBOOT_TARGET_MAP="ROCKCHIP_TPL=$RKBIN_DIR/$DDR_BLOB BL31=bl31.elf;;idbloader.img u-boot.itb"
 
 }