"Andy's not at his best either but, once the players start feeding Andy with the right service, his ability to hold the ball up and cause problems aerially is obviously his main threat," Allardyce told reporters.
"He just needs to start scoring a goal or two, which is now his next challenge.
"He's made two for Kevin. Next game let's make another couple and score one yourself."
West Ham are currently 18th in the Premier League.