Subversion Merge Start

Hi,

I'm trying to do a merge from a branch to a trunk. This branch was moved (renamed) once and hence when I try to select revisions to merge, the merge start isn't found. I already did manual merges from that branch to the trunk, so the merge info already contains a revision range. But I'm not able to just select a revision range because of the merge start check... Any way around this? Why can't I just cancel this merge start find thingy and just select my ranges? Intellij is forcing me to use the command line for this while I would really appreciate the diff viewer during the merge...

Kind Regards,
Jan