during 1904 - 1912 the convent building was renovated by architects W. Neumann and H.Seuberlich. The two upper floors of the Defence Tower were constructed anew; the window frames in the cloister of the main floor were restored and the wall between the chapel and the festive refectory rebuilt; some of the doors were relocated and windows widened; new ovens and staircases were built; stone plates with the coats-of-arms of the local noblemen were mured into wall of the cloister.