diff --git a/roles/custom/matrix-bridge-mautrix-gmessages/defaults/main.yml b/roles/custom/matrix-bridge-mautrix-gmessages/defaults/main.yml
index c3eb52326..6a6c14b0a 100644
--- a/roles/custom/matrix-bridge-mautrix-gmessages/defaults/main.yml
+++ b/roles/custom/matrix-bridge-mautrix-gmessages/defaults/main.yml
@@ -142,7 +142,7 @@ matrix_mautrix_gmessages_registration_yaml: |
   rate_limited: false
   namespaces:
       users:
-      - regex: '^@gmessages_[0-9]+:{{ matrix_mautrix_gmessages_homeserver_domain | regex_escape }}$'
+      - regex: '^@gmessages_.+:{{ matrix_mautrix_gmessages_homeserver_domain | regex_escape }}$'
         exclusive: true
       - exclusive: true
         regex: '^@{{ matrix_mautrix_gmessages_appservice_bot_username | regex_escape }}:{{ matrix_mautrix_gmessages_homeserver_domain | regex_escape }}$'