diff -urN original/osdetect.lua uuid_fix/osdetect.lua
--- original/osdetect.lua	2009-08-22 17:42:43.000000000 +0200
+++ uuid_fix/osdetect.lua	2009-08-22 18:23:12.000000000 +0200
@@ -156,9 +156,11 @@
 	local initrd
 
 	title = "Linux " .. kernels[i]
+	uuid_setup = "search --set=sgd_linux_kernel -f /boot/" .. kernelnames[i] .. "\n"
+	uuid_set = "probe -u ($sgd_linux_kernel) --set=sgd_root_uuid" .. "\n"
 	source = "set root=" .. device ..
 	  "\nlinux /boot/" .. kernelnames[i] ..
-	  " root=UUID=" ..  " ro"
+	  " root=UUID=" .. "$sgd_root_uuid" ..  " ro"
 
 	if grub.file_exist (root .. "boot/initrd-" ..
 			    kernels[i] .. ".img") then
@@ -171,7 +173,7 @@
 	  initrd = ""
 	end
 
-	grub.add_menu (source .. initrd, title)
+	grub.add_menu (uuid_setup .. uuid_set .. source .. initrd, title)
 	grub.add_menu (source .. " single" .. initrd,
 		       title .. " (single-user mode)")
       end