diff --git a/services/monitoring/default.nix b/services/monitoring/default.nix
index 7dbea506..cce48a30 100644
--- a/services/monitoring/default.nix
+++ b/services/monitoring/default.nix
@@ -49,6 +49,9 @@ in
       };
     };
 
+    # with ProtectHome=true, the exporter will report incorrect filesystem bytes for /home
+    systemd.services.prometheus-node-exporter.serviceConfig.ProtectHome = lib.mkForce "read-only";
+
     # sshified user for monitoring server to log in as
     users.users.sshified = lib.mkIf cfg.metrics.ssh {
       isNormalUser = true;