toulon captain hayman admitted bernard to distinctly underwhelmed by their performance levels in sunday 's 32-18 quarter-final victory over wasps .
toulon will host leinster at marseille 's stade velodrome on sunday , april 19 in the last four , with hayman conceding vast improvements are required to lift the inaugural champions cup .
` if we want to be in london for the final we 've got a lot of work to do , ' said hayman .