Nyorai kuenderera mberi kweiyi ndima - Zeman akadaidzira kurwisa kwakarongwa kurwisa Islamic State (ISIL) inotungamirwa neUN Security Council. Muna June 2015, Zeman akataura kuti: "Kana nyika dzokuEurope dzikatambira vapoteri vakawanda, pakati pavo pachava nemapoka emagandanga, ayo akambonyeverwa negurukota reLibya. Nokugamuchira vapoteri, tinobatsira zvikuru kuwedzera kweIslamic State muEurope". Zeman akarondedzera vapoteri vokuMiddle East vanosvika muEurope
se"kupinda kwakarongwa". Muna September 2015, Zeman akaramba chikumbiro cheEuropean Union chekumanikidzirwa kwevatorwa, achiti, "Ramangwana chete ndiro richaratidza kuti ichi chaiva chikanganiso chikuru".