diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index 4075308d1..115aea49d 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -4279,7 +4279,7 @@ prometheus_gid: "{{ matrix_user_gid }}"
 
 prometheus_container_network: "{{ matrix_monitoring_container_network }}"
 
-prometheus_container_additional_networks: |
+prometheus_container_additional_networks_auto: |
   {{
     (
       ([prometheus_node_exporter_container_network] if prometheus_self_node_scraper_enabled and prometheus_node_exporter_container_network != prometheus_container_network else [])