diff --git a/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix b/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix
index df424ede6066..302b1d5202cd 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix
@@ -4,16 +4,12 @@ with lib;
 
 let
   cfg = config.services.prometheus.exporters.smartctl;
-  format = pkgs.formats.yaml {};
-  configFile = format.generate "smartctl-exporter.yml" {
-    smartctl_exporter = {
-      bind_to = "${cfg.listenAddress}:${toString cfg.port}";
-      url_path = "/metrics";
-      smartctl_location = "${pkgs.smartmontools}/bin/smartctl";
-      collect_not_more_than_period = cfg.maxInterval;
-      devices = cfg.devices;
-    };
-  };
+  args = concatStrings [
+    "--web.listen-address=\"${cfg.listenAddress}:${toString cfg.port}\" "
+    "--smartctl.path=\"${pkgs.smartmontools}/bin/smartctl\" "
+    "--smartctl.interval=\"${cfg.maxInterval}\" "
+    "${concatMapStringsSep " " (device: "--smartctl.device=${device}") cfg.devices}"
+  ];
 in {
   port = 9633;
 
@@ -60,7 +56,7 @@ in {
         ]
       );
       ExecStart = ''
-        ${pkgs.prometheus-smartctl-exporter}/bin/smartctl_exporter -config ${configFile}
+        ${pkgs.prometheus-smartctl-exporter}/bin/smartctl_exporter ${args}
       '';
       PrivateDevices = lib.mkForce false;
       ProtectProc = "invisible";