The 23-year-old opened the scoring for his side in the 15th minute with a 25 yard shot before Georges Mikautadze doubled the lead in the 86th minute.
The Bundung-born player now scored his first goal for Metz in the new season after returning from a loan spell in Belgium at RFC Seraing.
This victory returned Metz to winning ways after their defeat against Caen.
The win moved Metz to 5th position with 6 points after three games.
Metz will next play away to Laval in their week-four fixture on Saturday.