switch (key) {
case BKEY_PLUS:
+--- a/boot/bootflow_menu.c
++++ b/boot/bootflow_menu.c
+@@ -231,7 +231,7 @@ int bootflow_menu_run(struct bootstd_pri
+
+ key = 0;
+ if (ichar) {
+- key = bootmenu_conv_key(ichar);
++ key = bootmenu_conv_key(NULL, ichar, NULL);
+ if (key == BKEY_NONE)
+ key = ichar;
+ }