cannot associate GitHub identity

[rokroskar]

We have sentry 9.0 configured with sentry-auth-github and logins work fine. However, when I try to make an issue out of an event, I get a

You need to associate an identity with GitHub before you can create issues with this service.

Clicking on the Associate identity button I see in the network log that an authentication request is sent to github but with the wrong redirect URI ending in account/settings/social/associate/complete/github.

Since we use github for logging in, why aren't the accounts linked already? Do I need to configure a second redirect URI?