He was elected President of the Socialist Party on the seventh congress on 4 December 2006, winning over candidate Milorad Vučelić in the second round with 1287 points, versus 792 points, of the delegates votes. In 2007, he was the President of the Committee on Security of the Parliament. On 7 July 2008, the government appointed Dačić the first Deputy Prime Minister and Minister of the Police. He became a member of the Parliamentary Assembly of the Council of Europe (PACE).