diff --git a/fractal/cli/controllers/registration.py b/fractal/cli/controllers/registration.py
index 5a0a582..d1488e4 100644
--- a/fractal/cli/controllers/registration.py
+++ b/fractal/cli/controllers/registration.py
@@ -162,6 +162,7 @@ def register(
         )
         self.access_token = access_token
         self.matrix_id = matrix_id
+        self.homeserver_url = homeserver_url
 
     register.clicz_aliases = ["register"]