diff --git a/modules/examples/hydra.nix b/modules/examples/hydra.nix
index 34250cdd..97dfddf8 100644
--- a/modules/examples/hydra.nix
+++ b/modules/examples/hydra.nix
@@ -48,6 +48,11 @@ in
   users.users.hydra = { uid = 530; gid = 530; description = "Hydra"; home = "/Users/hydra"; shell = "/bin/bash"; };
 
   system.activationScripts.postActivation.text = ''
+    printf "disabling spotlight indexing... "
+    mdutil -i off -d / &> /dev/null
+    mdutil -E / &> /dev/null
+    echo "ok"
+
     printf "configuring ssh keys for hydra... "
     mkdir -p ~hydra/.ssh
     cp -f /etc/per-user/hydra/ssh/authorized_keys ~hydra/.ssh/authorized_keys