diff --git a/modules/zabbix-agent.nix b/modules/zabbix-agent.nix
index 3b7c33b..df42285 100644
--- a/modules/zabbix-agent.nix
+++ b/modules/zabbix-agent.nix
@@ -4,6 +4,11 @@
     enable = true;
     server = "zabbix-server";
     package = pkgs.zabbix.agent2;
+    settings = {
+      UserParameter = ''
+      systemd.exitstatus[*],systemctl status "$1" | grep "Main PID: " | grep -Po "(?<=status=)[0-9]{1,3}"
+      '';
+    };
   };
 }