 The inclusion of Vitalian's name on the diptych was seen by some as being too conciliatory towards heresy, but that charge was unfounded.Vitalian showed reciprocity toward Constans when the latter came to Rome in 663 to spend twelve days there during a campaign against the Lombards.On 5 July, the pope and members of the Roman clergy met the emperor at the sixth milestone and accompanied him to St. Peter's Basilica, where the emperor offered gifts.