[fw-core] ZF 1.5 Controller problems in Linux

Hi,

I have an application based on ZF running on Windows platform with no problems at all.
When i moved this application to Linux, i have a problem with the camel case named controllers... like this, for example:

<...>
class WsCustomerController extends Zend_Controller_Action {
<...>

If i use this controller in the windows installation, it works fine... in Linux installation this does not work... it's related to camel case name problems.... don't know why this happens... the error is: "Invalid controller specified (wscustomer)"

Anyone can help please!!! It's very urgent!!!

Thanks
Regards
  Carlos V.