Pentaho BI Export Import Issue with File Name

Hi,

I am Using Export Import utility to export one file from BI Console window. I have a file name

लेबल.saiku. when I export this file ,
it is pop up with लेबल.saiku.zip but when I open this zip, file inside it become %E0%A4%B2%E0%A5%87%E0%A4%AC%E0%A4%B2.saiku

Please help me what to do ?? is there is encoding issue ?