"Personally I have no interest in Mugabe coming to Lisbon," Amado said, adding that the veteran leader's presence would be a "factor of disturbance."
The EU imposed a travel ban on Mugabe and more than 100 people closely linked to his regime after the Zimbabwean leader won elections in 2002 that international observers said were rigged and marred by intimidation.
The octogenarian president has also been slammed for leading the once-model economy into ruin and trampling on democracy and human rights. The southern African nation currently has the world's highest inflation rate.