diff --git a/u-boot/common/cmd_setmac.c b/u-boot/common/cmd_setmac.c
index 0ace1a0e9d..2e7cae84d9 100644
--- a/u-boot/common/cmd_setmac.c
+++ b/u-boot/common/cmd_setmac.c
@@ -251,7 +251,7 @@ int do_setserial(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
   if (argc != 2)
     return CMD_RET_FAILURE;
 
-  serialnumber = atoi(argv[1]);
+  serialnumber = skip_atoi(argv[1]);
   if (serialnumber <= 0) {
     printf("Invalid serialnumber. <= 0!\n");
     return CMD_RET_FAILURE;