mostly coming from the substitute bench. Throughout the 2012 season, he continued to struggle with his injury problems during the 2012 season but nevertheless played 21 matches and scored one goal for Malmö FF. Following this, Pękalski was in a discussion over a new contract with the club. At the start of the 2013 season, Pękalski made his first appearance of the season, coming on as a 74th-minute substitute, in a 1–1 draw against Östers in the Svenska Cupen match. It wasn't until on 16 March 2013 when he scored his first goal of the season, in a 4–1 win against GIF Sundsvall in the Svenska Cupen match. However, Pękalski was dropped from the first team, due to competitions in the midfield position and his own injury concern. Having played only one league match due to injuries as well as being discontented with the club's rehab procedures, Pękalski left the club after the 2013 season. BK Häcken It was announced on 25 November 2013 that Pękalski joined BK Häcken on a free transfer, signing a two–year contract. He made his debut for the club, starting a match and played 60 minutes before being substituted, in a 2–0 win against Örgryte on 1 March 2014 in the Svenska Cupen. Seven days later on 8 March 2014, Pękalski scored his first goal for BK Häcken, in a 4–1 win against Sandvikens in the Svenska Cupen. He then set up two goals in two matches between 20 April 2014 and 27 April 2014 against Mjällby AIF and AIK. However, Pękalski found himself placed on the substitute bench and his playing time came from the club's reserve side throughout the 2014 season. At the end of the 2014 season, he went on to make sixteen appearances and scoring once in all competitions. At the start of the 2015 season, Pękalski established himself in the first team, playing in the midfield position. However, his form soon dipped that saw him placed on the substitute bench, as well as, his own injury concern. At the end of the 2015 season, he went on to make eighteen appearances in all competitions. Following this, it was announced on 4 November 2015 that Pękalski left the club when his contract expired at the end of the 2015 season. While being a free agent, he volunteered in a refugee camp in Lebanon. Halmstads BK It was announced on 23 March