The 23-year-old arrived from Nancy in the summer after a successful loan spell at Loftus Road last season but had to return home to France following personal problems.
"It was a difficult start for me this season. I was quite ill, so it was quite difficult for me," he told the club's official website.
"Thanks to the support of the fans, the staff, the manager and the rest of the players I came through that tough time and I feel much better now."
QPR are languishing at the bottom of the table, yet to record a win in 15 attempts so far, but the hiring of Harry Redknapp has given Diakite hope.
|REPAYING A DEBT|
|8/1||Samba Diakite is 8/1 with William Hill to score anytime in Wigan v QPR|
"He has great qualities and knows how to interact with players. He has the drive that players love.
"The players are working hard for him. We are adapting to his methods and we feel we will get wins soon.
"We are together as a team and all that matters now is that we get results and get out of this position we are in."