Change Permalink ( remove /blog/ )

Hi guys :slight_smile:
I am using buddypress daily theme. on the subpages its all fine, but on the default home blog i cant change the permalink (cant remove the part /blog/)

Example: right now its:
but i want it to be:

in the permalink settings this part is predefined
here is a screenshot ( )

Do you know how to change it? :slight_smile:

Thank you!