diff -Naur ../work/ion-3ds-20061223/etc/cfg_ioncore.lua ion-3ds-20061223/etc/cfg_ioncore.lua
--- ../work/ion-3ds-20061223/etc/cfg_ioncore.lua	2006-12-23 17:59:43.000000000 +0300
+++ ion-3ds-20061223/etc/cfg_ioncore.lua	2006-12-31 15:35:59.000000000 +0300
@@ -331,7 +331,8 @@
 defmenu("mainmenu", {
     menuentry("Run...",         "mod_query.query_exec(_)"),
     menuentry("Terminal",       "ioncore.exec_on(_, XTERM or 'xterm')"),
-    menuentry("Lock screen",    "ioncore.exec_on(_, 'xlock')"),
+    menuentry("Lock screen",                                                                                                                                  
+              "ioncore.exec_on(_, ioncore.lookup_script('ion-lock'))"),                                                                                       
     menuentry("Help",           "mod_query.query_man(_)"),
     menuentry("About Ion",      "mod_query.show_about_ion(_)"),
     submenu("Styles",           "stylemenu"),