Exchange rate Difference not to capitaliuze to Asset

Dear All,

When i capitalize the asset thru MIGO,If any exchange rate differences coming between MIGO and MIRO the current system is capitalizing the Exchange rate differences to asset,As per my new requirement the Exchange Rate diffrences must post to Exchange Rate Gain/Loss account not to Capitalize to Asset at the time of MIRO.My MIGO is valuated Goods Receipt.

Please help to provide the solution.

Thanks & Regards

***********************

Kumar