The North African will be playing against former team in a pre-season friendly on Saturday
Algeria international Said Benrahma has conceded it is weird to play against Brentford in pre-season and the Premier League, a team that was like a family to him.
The North African joined West Ham United last season from the Bees, who were playing in the EFL Championship.
They were promoted to the Premier League at the end of last season, but before they meet in the top tier, they will meeting on Saturday in a pre-season friendly match.