The Swedish forward has made a deep impression since his summer move from Malmo, but he was caught on camera landing an elbow on Melchior Schoenmakers.
Referee Dick Jol missed the clash, but television cameras captured the incident and Ajax immediately handed a fine to the youngster.
Also, Den Bosch forward Fabian De Freitas has been banned for four games after being found guilty of striking Sparta Rotterdam`s Sieme Zijm.