Elasticsearch spawning after upgrade

upgraded from 7.1 to 8 to 9 today and ran into a minor problem with elasticsearch.

elasticsearch is spawning and looking for:
seafile-controller.c(119): failed to execvp /home/seafile/seafile-pro-server-9.0.5/pro/elasticsearch/bin/elasticsearch
where elasticsearch is located at:
/home/seafile/seafile-pro-server-9.0.5/pro/python/elasticsearch

what is the official and clean way to solve this problem?
besides soft linking inside the install …