How to shorten the roller cord for IKEA Isdans fabric roller blind

Hello everyone,

I recently bought a fabric roller blind (model Isdans) to install on my window. The window is not particularly large and the blind is too long. That’s not really a problem because I don’t have to pull it all the way down. Unfortunately, the pull cord is so long that I cannot install it taut. Does anyone know a way to shorten this cord? The cord has lots of small beads at equal intervals that engage in the slots of the pulley...

I am looking forward to all your ideas!

I have no idea whatsoever...
Sorry

I do not know the cord and assume that it is made seamlessly in one piece. If the desired distance of the rollers is sufficient as a pull path, then you can simply unscrew a piece of cord and somehow connect the ends, because the connection point does not have to run over a roller. Otherwise, it will be difficult...