diff --git a/services/prometheus-node.nix b/services/prometheus-node.nix
index ddb9672..af2c20e 100644
--- a/services/prometheus-node.nix
+++ b/services/prometheus-node.nix
@@ -3,7 +3,7 @@
 {
   services.prometheus.exporters.node = {
     enable = true;
-    #listenAddress = "0.0.0.0";
+    openFirewall = true;
     firewallRules = ''
       ip saddr 195.160.173.14/32 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow prometheus on monitoring.berlin.ccc.der"
       ip6 saddr 2001:678:760:cccb::14/128 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow prometheus on monitoring.berlin.ccc.der"