Resumed file after connection loss is overwritten

I was transferring a 128Go file previoulsy resumed.
I then lost connection, WinScp tried to connect me multiple times for around 20min until I gained connection again but instead of resuming the file, it started over again from 0.

WinScp 6.5.1 16311
Windows 11 24H2
FTP explicit TLS/SSL
Interface GUI commander