	On 2 February 2015, Riga returned to Standard Liège in Belgium, where he was re-appointed as manager following Ivan Vukomanović's departure. He took charge of his first game on 6 February 2015, a league match against Royal Mouscron-Péruwelz, which ended in a 3–0 win for Standard. Towards the end of the season, Riga announced he would not be prolonging his contract with Standard. Slavoljub Muslin was announced as his successor on 5 June 2015.