diff --git a/system/monitoring/metrics.nix b/system/monitoring/metrics.nix
index 08fb1b1..c335e85 100644
--- a/system/monitoring/metrics.nix
+++ b/system/monitoring/metrics.nix
@@ -13,5 +13,10 @@
   services.prometheus.exporters.systemd = {
     enable = true;
     # Default port: 9558
+    extraFlags = [
+      "--collector.unit-cpu"
+      "--collector.unit-memory"
+      "--collector.unit-io"
+    ];
   };
 }