fix case where you specify a filter in the constructor
fix case where you specify a filter in the constructor

coverband/spitfire,TheProjecter/spitfire,tkisme/spitfire,ahmedissa/spitfire,funic/spitfire,ahmedissa/spitfire,coverband/spitfire,funic/spitfire,TheProjecter/spitfire,infin8/spitfire,infin8/spitfire,lefay1982/spitfire,coverband/spitfire,TheProjecter/spitfire,lefay1982/spitfire,funic/spitfire,infin8/spitfire,lefay1982/spitfire,YifanCao/spitfire,YifanCao/spitfire,funic/spitfire,YifanCao/spitfire,YifanCao/spitfire,ahmedissa/spitfire,lefay1982/spitfire,tkisme/spitfire,tkisme/spitfire,tkisme/spitfire,TheProjecter/spitfire,coverband/spitfire,infin8/spitfire,ahmedissa/spitfire