search blocked

Hi,
I've got a problem with Opera Adblock. When I ran a search at Startpage.com, Adblock blocked the results. I got around that by disabling "block content" for "startpage.com" in site preferences in Opera.

But I just added Startpage.com as a search engine, and now searches via the context menu are being blocked. It seems to only happen when I have startpage set to use https.