diff --git a/board/walnut405/u-boot.lds b/board/walnut405/u-boot.lds
index 72e99fc..7a75f6a 100644
--- a/board/walnut405/u-boot.lds
+++ b/board/walnut405/u-boot.lds
@@ -121,6 +121,11 @@
   _edata  =  .;
   PROVIDE (edata = .);
 
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
   __start___ex_table = .;
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;