Icon disregard panel preferences

Wavelan plugin icon size always depend on the panel size even if a fixed pixel size is set in xfce4-panel preferences. Aside from that, even when adjust size automatically is chosen, wavelan icon is slightly oversized compared to other xfce4-panel plugins.

panel with Adjust size automatically

panel with fixed icon size

Wavelan version is 0.6.3 xfce4-panel version is 4.16.4