Pressured by the emperor, Henry IV, Gregory VII turned again to the Normans, and at Ceprano in June 1080, he reinvested Guiscard, securing him also in the southern Abruzzi, while reserving Salerno.
Ditekan oleh kaisar, Heinrich IV, Gregorius VII berpaling lagi ke Normandie, dan di Ceprano pada bulan Juni 1080, ia menginvestasikan kembali Guiscard, mengamankannya juga di Abruzzo, sementara mereservasi Salerno.