Unable to switch between servers in client interface (intermittently)

My seafile client is connected to 2 separate servers. From a user interface perspective, one can switch the view from one server to another by clicking on the avatar on the top left corner. When doing so, a little popup box appears allowing to select which server appears in the main view (or add another server).

For the last couple of months I have noticed that after the client has been running for a certain amount of time, that feature no longer works. When I click on the avatar nothing happens. Restarting the client fixes the problem. As far as I can tell, it’s only the UI that is malfunctioning; the actual syncing on the server I can’t switch to is still happening.

It’s not a big issue since it happens only intermittently and restarting the client is pretty easy, but I am wondering if anybody else is experiencing the same problem.

Using seafile client 6.1.8 on Windows 10 connecting to server 6.2.5 and server 6.1.2 both on on Ubuntu 16.04