QPR returned to the winning ways in the Championship with a 2-1 victory over Charlton at home.
Matt Phillips put Rangers in the lead at Loftus Road on the stoke of half time, and Jordan Cousins restored parity for the visiting team just past the hour mark.
Nasser El Khayati scored the winner for QPR in the fourth minute of injury time to wrap up the three points for the home team.
Hasselbaink has taken to Twitter to express his delight at the final result.
Back-to-back London derby wins even though we weren't at our best. But the boys kept going. Tremendous support as ever. #QPR— Jimmy Floyd (@jf9hasselbaink) April 10, 2016
Over the course of the 90 minutes at Loftus Road on Saturday afternoon, hosts QPR had 49% of the possession, took 15 shots of which six were on target, and earned corners.
Visitors Charlton had 51% of the possession, took 14 shots of which five were on target, and earned four corners.
QPR are 11th in the Championship table at the moment with 55 points from 41 matches.