Hi Bas, Graham, Michael, and Giacomo, The bug fix is available at http://anonscm.debian.org/cgit/debichem/packages/chemps2.git/commit/?id=0a34f4f9d9289ab46090233470d4de690f843d45 for a few days already.
Would it be possible to recompile and upload the new version to close the bug? Thanks! Sebastian