He responded: “He has two or three clear opportunities. He has to have more patience and to not get out of position to where it doesn’t get to him.
“He has received the ball inside and on the wings. The game required positioning. He needs a goal, just like all the strikers. He is not an exception.”
Barcelona face Villarreal in Castellon on Sunday, and Lewandowski will be looking to get off the mark.
The Yellows have won one and lost one in their first two games, defeating Mallorca away from home on Friday night after suffering late defeat to Real Betis in their opening game of the season.