diff --git a/board/mpl/mip405/cmd_mip405.c b/board/mpl/mip405/cmd_mip405.c
index cd93a7c..8ddb54d 100644
--- a/board/mpl/mip405/cmd_mip405.c
+++ b/board/mpl/mip405/cmd_mip405.c
@@ -30,12 +30,12 @@
 
 
 extern void print_mip405_info(void);
-extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 
 
 /* ------------------------------------------------------------------------- */
 
-int do_mip405(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_mip405(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 
 	ulong led_on;