London, Jan 14 (Agencies): R&B star Usher has postponed his Berlin concert after falling ill with a sinus infection.

The hitmaker was scheduled to perform at the German city, but scrapped the gig at the last minute after he was diagnosed with a paranasal sinus infection.

The show has been rescheduled and Usher took to Twitter page to apologise to fans.

"I am truly sorry to all my fans in Berlin who were inconvenienced by tonight's postponement of the show. I was ill and felt that I would not have been able to give the show that you all properly deserve. I look forward to giving Berliners a great show," he tweeted.