Goods Receipt for Production Order

Dear All,

I am Creating a Production order manually and assigning the Project WBSE in Assignment Tab.

Then i conformed the order. Now i am doing the MIGO for goods receipt against that Production Order.

System is receiving the stock in Pant, not as a Project stock. But as per my requirement it should be created as a project stock.

So please tell me what is the issue in this...

Regards,

Rao