diff --git a/api/api.c b/api/api.c
index 385a7e3..190ee6a 100644
--- a/api/api.c
+++ b/api/api.c
@@ -37,7 +37,7 @@
 #undef DEBUG
 
 /* U-Boot routines needed */
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 
 /*****************************************************************************
  *