Loading Model in Yaml

Am loading the model called "Decode" in my yaml file. When i run the
rake db:seed, it runs fine in windows. But dont know why it fails in
unix.

Any ideas?

params.yml

<%
require 'Decode'
i = 0
%>

Filter_Param<%= i=i+1 %>:
id: <%= i=i+1 %>
filter_param: chapter_status
disp_value: Active
internal_param: modul_status
internal_value: <%= Decode::CHAPTER_STATUS_ACTIVE %>
sort_order: 1

In Unix:
rake aborted!
no such file to load -- Decode

Case sensivity in the file name? Most operating systems, unlike
WIndows treat file names, "Decode.rb" and "decode.rb" as different.