The transfer was a human error and not related to faulty technology, said a person familiar with the matter. It was corrected within a few hours and didn't result in any financial damages.

Bloomberg News first reported the mistake.

In March, Deutsche Bank transferred 28 billion euros ($33 billion) instead of 28 billion yen ($257 million) to its own account at the derivative exchange Eurex.

(Reporting by Hans Seidenstuecker; Writing by Tom Sims; Editing by Elaine Hardcastle)