In the 2016–17 season, he led NK Lokomotiva U19 to their first championship after a goalless draw versus Dinamo Zagreb U19 in May 2017.
[4] On 12 June 2017, after two years without a senior club, Prenga joined Lučko for the 2017–18 season.
On 6 June 2018, Prenga signed a one-year contract with Laçi of Albanian Superliga.
[6] His first game in charge was the first leg of 2018–19 UEFA Europa League first qualifying round against Anorthosis Famagusta.
[8] In the second leg, Prenga won his first match as Laçi manager thanks to a late winner of Myrto Uzuni for a 1–0 win, which was enough to clinch the qualification by the away-goal rule.