TBB 2.2.36-1 does not block popup on thepiratebay.se

TBB 2.2.36-1 on Debian Wheezy does not block a popup on thepiratebay.se:

1. Browse to https://thepiratebay.se/
2. Read warning saying you have requested an encrypted site that contains some unencrypted information
3. Click OK
4. Click in the search box
5. Get a popup for some poker site