diff --git a/common/cmd_itest.c b/common/cmd_itest.c
index 58c5e7b..e88d6e0 100644
--- a/common/cmd_itest.c
+++ b/common/cmd_itest.c
@@ -160,7 +160,7 @@
 }
 
 /* command line interface to the shell test */
-int do_itest ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
+int do_itest ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] )
 {
 	int	value, w;