Within a few years, Landulf's successful anti-Byzantine policy had been reversed and he was forced to make peace, but clashes continued: at Siponto in 936 and at Matera in 940.
Nuns poucos anos, a exitosa política antibizantina de Landulfo fora invertida e obrigárono a asinar a paz, pero continuabas as hostilidades: en Siponto en 936 e en Matera en 940.