--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -211,7 +211,7 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char * const argv[])
         flush_cache(load_addr, size);

         /* Loading ok, check if we should attempt an auto-start */
-       if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
+       if (getenv_yesno("autostart")) {
                 char *local_args[2];
                 local_args[0] = argv[0];
                 local_args[1] = NULL;