diff --git a/hosts/Rupert.nix b/hosts/Rupert.nix
index c050a52..54e83af 100644
--- a/hosts/Rupert.nix
+++ b/hosts/Rupert.nix
@@ -144,6 +144,15 @@ in
 
     services.smartd = {
         enable = true;
+        autodetect = false;
+        devices = [
+            {
+                device = "/dev/sda";
+            }
+            {
+                device = "/dev/sdb";
+            }
+        ];
         notifications.x11.enable = false;
         notifications.mail = {
             enable = true;