ALV EXCEL field coming "FALSE"

Hi Team,

Good after noon.

I have done a alv report and that result is sending to the client as a excel attached file .But in this file one field is empty in out put ,but in excel it has coming as 'FALSE' statement I could not able to clear this value even I tried refresh, clear etc but this value actually blank value.

Please help me on this.

Thanks a lot

Tej