diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index 2a9e0414a..33c124014 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -283,7 +283,7 @@ devture_systemd_service_manager_services_list_auto: |
     +
     ([{'name': 'matrix-nginx-proxy.service', 'priority': 3000, 'groups': ['matrix', 'nginx', 'reverse-proxies']}] if matrix_nginx_proxy_enabled else [])
     +
-    (matrix_ssl_renewal_systemd_units_list | selectattr('applicable') | selectattr('enableable'))
+    (matrix_ssl_renewal_systemd_units_list | selectattr('applicable') | selectattr('enableable') | list )
     +
     ([{'name': 'matrix-ntfy.service', 'priority': 800, 'groups': ['matrix', 'ntfy']}] if matrix_ntfy_enabled else [])
     +