I'm having some problems getting my WSPR spots to wsprnet.org

I'm running Linux Mint 19.1 / Cinnamon 4.0.9

For troubleshooting purposes I've...

Reinstalled WSJT-X 2.0 from the debian package...
Verified my callsign in the the settings is correct
Flushed my iptables...
Run as root...
Have "Upload Spots" checked...
Have decodes visible in WSJT-X...
Can see my wspr_spots.txt file in the .local/share/WSJT-X folder build and disappear
Can see periodic connections to wsprnet.org via HTTP...

...but nothing ends up on the map or database for my received stations.

Anyone have any ideas?