Jovanović received the forty-ninth position on the SRS's list in the 2003 parliamentary election and, on this occasion, was awarded a mandate when the list won eighty-two seats.Избори за народне посланике Народне скупштине одржани 28. децембра 2003. године – ИЗБОРНЕ ЛИСТЕ (2. СРПСКА РАДИКАЛНА СТРАНКА - др ВОЈИСЛАВ ШЕШЕЉ) Republika Srbija - Republička izborna komisija, accessed 2 July 2021. He took his seat when the assembly convened in January 2004."Skupština čeka demokrate", Glas javnosti, 13 January 2004, accessed 3 January 2021. Although the Radicals won more seats than any other party, they fell well short of a majority and ultimately served in opposition.
