A wound covering is described which comprises a) a transparent film and b) applied to the film, a transparent hydrogel which comprises octenidine dihydrochloride. The wound covering is suitable in particular for use in the antisepsis of catheter insertion points. The active ingredient octenidine dihydrochloride is released from the hydrogel quickly, but in a long-lasting manner. The invention also relates to a wound covering set and to a hydrogel comprising octenidine dihydrochloride for use for the antisepsis of catheter insertion points.