 With the impending 2012–13 NHL lockout taking affect, Joensuu signed a contract for the duration of the dispute with hometown team Ässät on September 18, 2012.On July 5, 2013, Joensuu signed as a free agent to a two-year contract to return to the NHL with the Edmonton Oilers.During the final season of his contract in 2014–15 season, and unable to secure a position on the checking lines of the struggling Oilers, Joensuu was loaned to Swiss club, SC Bern on December 12, 2014, for the remainder of the campaign.