diff --git a/hosts/vm-oddjob/configuration.nix b/hosts/vm-oddjob/configuration.nix
index 06990e3..6868c0b 100644
--- a/hosts/vm-oddjob/configuration.nix
+++ b/hosts/vm-oddjob/configuration.nix
@@ -26,6 +26,6 @@
   fileSystems."/mnt/nas" = {
     device = "//${inputs.secrets.lab.nas.host}/Backup";
     fsType = "cifs";
-    options = [ "credentials=${config.sops.secrets."smb-credentials".path}" ];
+    options = [ "sec=krb5,credentials=${config.sops.secrets."smb-credentials".path}" ];
   };
 }