Found argument config.php which wasn't expected

Using version 0.2.4 and nextcloud 22.2.0.

Debian 11 64bit with a 3900x and MySQL with redis.

[Unit]
Description = Push daemon for Nextcloud clients

[Service]
Environment=PORT=7867
Environment=NEXTCLOUD_URL=https://cloud.url.com
ExecStart=/var/www/nextcloud/apps/notify_push/bin/x86_64/notify_push /var/www/nextcloud/config/config.php
User=www-data

[Install]
WantedBy = multi-user.target

root@cloud:/var/www/nextcloud/config# systemctl status notify_push
● notify_push.service - Push daemon for Nextcloud clients
     Loaded: loaded (/etc/systemd/system/notify_push.service; disabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Sat 2021-10-16 06:05:50 PDT; 15s ago
   Main PID: 40867 (code=exited, status=1/FAILURE)
        CPU: 5ms

Oct 16 06:05:50 cloud systemd[1]: Started Push daemon for Nextcloud clients.
Oct 16 06:05:50 cloud notify_push[40867]: error: Found argument 'config.php' which wasn't expected, or isn't valid in this context
Oct 16 06:05:50 cloud notify_push[40867]: USAGE:
Oct 16 06:05:50 cloud notify_push[40867]:     notify_push [FLAGS] [OPTIONS] [--] [CONFIG_FILE]
Oct 16 06:05:50 cloud notify_push[40867]: For more information try --help
Oct 16 06:05:50 cloud systemd[1]: notify_push.service: Main process exited, code=exited, status=1/FAILURE
Oct 16 06:05:50 cloud systemd[1]: notify_push.service: Failed with result 'exit-code'.

There are no errors in the nextcloud.log.

Start by reproducing the shown systemd invocation and comparing it with the binary's --help output, using the provided notify_push command and config.php path. Trace how the CONFIG_FILE argument is parsed and verify the service starts successfully with the documented invocation on the reported environment.