Recategorized URL action set to confirm blocks

Hi all

First post on the forum.

We are using Web Security v7.8.4.

I'm having an issue when trying to recategorize a url for https://facebook.com, we currently have Social Web - Facebook set as the confirm action.

When I add the https://<IP Address>:443/  for https://facebook.com to the recategorized URLs it blocks Facebook rather than asking the user to confirm.

Does anybody know a work around for this issue?

Thanks