Eren Derdiyok came close to equalising in the first half but could only direct his header from Tranquillo Barnetta's left-wing cross straight at Hertha goalkeeper JaroslavDrobny.
Hertha Berlin 30-year-old JaroslavDrobny, who has two caps, spent time with Fulham and Ipswich Town without making a competitive first-team appearance before heading for the German Bundesliga club.