diff --git a/config/sources/families/rk35xx.conf b/config/sources/families/rk35xx.conf
index 9eb411907dd1..7b2ec33e248b 100644
--- a/config/sources/families/rk35xx.conf
+++ b/config/sources/families/rk35xx.conf
@@ -18,6 +18,7 @@ case $BRANCH in
 
 	legacy)
 		display_alert "WARNING: 'legacy' branch" "is deprecated and slated for removal. Please switch to another branch unless you know what you're doing :)" "wrn"
+		BOOTSCRIPT='boot-rk35xx.cmd:boot.cmd'
 		BOOTDIR='u-boot-rockchip64'
 		declare -g KERNEL_MAJOR_MINOR="5.10"   # Major and minor versions of this kernel.
 		declare -g -i KERNEL_GIT_CACHE_TTL=120 # 2 minutes; this is a high-traffic repo
@@ -27,6 +28,7 @@ case $BRANCH in
 		;;
 
 	vendor)
+		BOOTSCRIPT='boot-rk35xx.cmd:boot.cmd'
 		BOOTDIR='u-boot-rockchip64'
 		declare -g KERNEL_MAJOR_MINOR="6.1"    # Major and minor versions of this kernel.
 		declare -g -i KERNEL_GIT_CACHE_TTL=120 # 2 minutes; this is a high-traffic repo