diff --git a/runtime/menu.vim b/runtime/menu.vim
index 12924af..602c4d5 100644
--- a/runtime/menu.vim
+++ b/runtime/menu.vim
@@ -2,7 +2,7 @@
 " You can also use this as a start for your own set of menus.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2022 Feb 04
+" Last Change:	2022 Feb 23
 
 " Note that ":an" (short for ":anoremenu") is often used to make a menu work
 " in all modes and avoid side effects from mappings defined by the user.
@@ -378,7 +378,7 @@
   n += globpath(&packpath, "pack/*/opt/*/colors/*.vim", 1, 1)
 
   # Ignore case for VMS and windows, sort on name
-  var names = sort(map(n, 'substitute(v:val, "\\c.*[/\\\\:\\]]\\([^/\\\\:]*\\)\\.vim", "\\1", "")'), 1)
+  var names = sort(map(n, 'substitute(v:val, "\\c.*[/\\\\:\\]]\\([^/\\\\:]*\\)\\.vim", "\\1", "")'), 'i')
 
   # define all the submenu entries
   var idx = 100