diff --git a/setup/flavors/compose/mailu.env b/setup/flavors/compose/mailu.env
index 5ccd8ace..a23a2c4b 100644
--- a/setup/flavors/compose/mailu.env
+++ b/setup/flavors/compose/mailu.env
@@ -116,7 +116,11 @@ WEBROOT_REDIRECT=/webmail
 WEB_ADMIN={{ admin_path }}
 
 # Path to the webmail if enabled
+{% if webmail_type != 'none' and webmail_path == '' %}
+WEB_WEBMAIL=/webmail
+{% else %}
 WEB_WEBMAIL={{ webmail_path }}
+{% endif %}
 
 # Website name
 SITENAME={{ site_name }}