diff --git a/scripts/install b/scripts/install
index c58a37a..24c1262 100644
--- a/scripts/install
+++ b/scripts/install
@@ -135,7 +135,7 @@ allowed_local_3pids_email="'^[^@]+@""matrix""\.org$'"
 allowed_local_3pids_msisdn="'\+33'"
 allow_guest_access="false"
 default_identity_server="https://matrix.org"
-auto_join_rooms="#auto_join_room:""$server_name"
+auto_join_rooms="\#auto_join_room:""$server_name"
 autocreate_auto_join_rooms="false"
 auto_join_rooms_for_guests="true"
 password_enabled="true"