proxychains ng (new generation) - a preloader which hooks calls to sockets in dynamically linked programs and redirects it through one or more socks/http proxies. continuation of the unmaintained proxychains project. the sf.net page is currently not updated, use releases from github release page instead.
Screenshot showing that space isn't a separator but colon is on OpenBSD:
Here's proxychains-ng 4.15 from the package repositories exhibiting the bug, and the current master with this commit working: