The 29-year-old sat out week seven due to the ankle issue, but he is hopeful that he will be able to return to the field against the Atlanta Falcons on Sunday.
"I'm back running. That's a great thing for me right now," Johnson said, NFL.com reports.
Johnson has travelled with the team to London for the game at Wembley on Sunday, but there has been no confirmation as to whether or not he will feature.
The Lions are 5-2 for the season so far and they sit above divisional rivals the Green Bay Packers at the top of the NFC North.