I'm not aware of an easy way to fix it.
It's by design it ignores the commas, so that if you use a URL in a sentence and there's a comma up against it, it doesn't work.
You really shouldnt' post URLs like that anyway, as it requires people to scroll left/right which is pretty annoying.
Use the UBB Code for URL - then the commas work work and the link can be shorter and not stretch the page too wide.
Like this:
Hope that helps.
