Nikolic had been voted into the post on May 7th with parliamentary support from Prime Minister Vojislav Kostunica's Democratic Party of Serbia (DSS), when it seemed the reformist parties in Serbia would be unable to agree on a new coalition government.
Nikolić je izabran za predsjednika skupštine 7. svibnja, uz potporu zastupnika Demokratske stranke Srbije (DSS) premijera Vojislava Koštunice, kada se činilo kako reformske stranke u Srbiji nisu u stanju postići dogovor oko nove koalicijske vlade.