XML output shows incorrect freespace

[Thunderbottom]

Steps to reproduce

1. Visit /ocs/v2.php/apps/serverinfo/api/v1/info after login

Expected behaviour

Correctly reported freespace value

Actual behaviour

freespace value shows up as -2. Example output:

<enable_avatars>yes</enable_avatars>
<enable_previews>yes</enable_previews>
<memcache.local>\OC\Memcache\APCu</memcache.local>
<memcache.distributed>\OC\Memcache\Redis</memcache.distributed>
<filelocking.enabled>yes</filelocking.enabled>
<memcache.locking>\OC\Memcache\Redis</memcache.locking>
<debug>no</debug>
<freespace>-2</freespace>
<cpuload>
</cpuload>
<mem_total>7936524</mem_total>
<mem_free>6946508</mem_free>
<swap_total>0</swap_total>
<swap_free>0</swap_free>

The account being used is an admin account with no quota limits. Also, just a heads up that the nextcloud instance is being served from inside a docker container.

Server configuration

Operating system: Nextcloud Official Docker container

Web server: Apache

Database: Postgres

PHP version:

Nextcloud version: 17.0.1

Where did you install Nextcloud from: nextcloud:17.0.1-apache from dockerhub