In total, Wohlfahrt earned 59 caps, his final international being in November 2001, a 2002 World Cup qualification match against Turkey, which Austria lost 5–0.
Wohlfahrt accumulated 59 caps for his national team, culminating in his final international game in November 2001, a 2002 World Cup qualifier against Turkey, which ended in an Austrian loss by a score of 5–0.