hyprpaper crashes on launch with certain XDG_RUNTIME_DIR settings

[Nanderty]

Running from tty:

export XDG_RUNTIME_DIR=/run/user/Nanderty/runtime
Hyprland

Then inside Hyprland:

hyprpaper

Yields:

[LOG] Total SM usage for all buffers: 311.0MB
*** buffer overflow detected ***: terminated
Aborted

For the last lines. hyprpaper works with ipc=off.
Note that other software (e.g. pipewire, mpd, Hyprland itself) works fine with this setting of XDG_RUNTIME_DIR,
thus permissions should be correct and the directory exists and is writable.

Running from tty:

export XDG_RUNTIME_DIR=/tmp
Hyprland

Then inside Hyprland:

hyprpaper

Works flawless.

Running hyprpaper v0.7.3