diff --git a/rv1126_rv1109/BoardConfig-uvcc.mk b/rv1126_rv1109/BoardConfig-uvcc.mk
index 806d73e..94acd69 100644
--- a/rv1126_rv1109/BoardConfig-uvcc.mk
+++ b/rv1126_rv1109/BoardConfig-uvcc.mk
@@ -39,6 +39,8 @@ export RK_ROOTFS_IMG=rockdev/rootfs.${RK_ROOTFS_TYPE}
 export RK_RAMBOOT_TYPE=
 # Set oem partition type, including ext2 squashfs
 export RK_OEM_FS_TYPE=ext2
+# OEM build on buildroot
+export RK_OEM_BUILDIN_BUILDROOT=YES
 # Set userdata partition type, including ext2, fat
 export RK_USERDATA_FS_TYPE=ext2
 #OEM config