diff --git a/modules/services/monitoring/prometheus-node-exporter.nix b/modules/services/monitoring/prometheus-node-exporter.nix
index 19b094fc9..752dc0f2b 100644
--- a/modules/services/monitoring/prometheus-node-exporter.nix
+++ b/modules/services/monitoring/prometheus-node-exporter.nix
@@ -91,6 +91,8 @@ in {
       description = "System group for the Prometheus Node exporter";
     };
 
+    users.knownGroups = [ "_prometheus-node-exporter" ];
+    users.knownUsers = [ "_prometheus-node-exporter" ];
 
     launchd.daemons.prometheus-node-exporter = {
       script = concatStringsSep " "