diff --git a/backend/app/cmd/server.go b/backend/app/cmd/server.go
index 3e121fa9..6dc2d54b 100644
--- a/backend/app/cmd/server.go
+++ b/backend/app/cmd/server.go
@@ -670,6 +670,7 @@ func (s *ServerCommand) makeAuthenticator(ds *service.DataStore, avas avatar.Sto
 		AvatarRoutePath:   "/api/v1/avatar",
 		Logger:            log.Default(),
 		RefreshCache:      newAuthRefreshCache(),
+		UseGravatar:       true,
 	})
 	s.addAuthProviders(authenticator)
 	return authenticator