diff --git a/machines/perception/configuration.nix b/machines/perception/configuration.nix
index b666bf9..e3a98a8 100644
--- a/machines/perception/configuration.nix
+++ b/machines/perception/configuration.nix
@@ -19,7 +19,7 @@
     services = {
       borg = {
         enable = true;
-        extraExcludes = [ "/var/log" ];
+        extraExcludes = [ "/var/log" "/mnt" ];
         passwordFile = config.sops.secrets."borg-password".path;
         sshKey = config.sops.secrets."borg-ssh-key".path;
       };