Favicon 'reload'?

Hello folks.

I was wondering if there is a way to force a 're-load' or 're-cache' of my entries for their favicon?

I know it sounds extremely stupid and dumb, but I use the icon quite often, as sometimes I have to name things very similar, so a quick glance of the favicon also helps distinguish entries.

In the browsers, I see this:

Is there a way to 'force' a recompile?

Thanks!