Wurdearring: 5 fan de 5 stjerren

I have used this for a while now and love it. I did have to reinstall my thunderbird setup and added NG search and have activated it. However, the search bar doesn't show up. Any suggestions on how to fix this?

Dizze beoardieling giet oer in eardere ferzje fan de add-on (3.1).  Dizze brûker hat in eardere beoardieling fan dizze add-on.