diff --git a/lass/1systems/mors.nix b/lass/1systems/mors.nix
index 31663008d..a7f4ee5f8 100644
--- a/lass/1systems/mors.nix
+++ b/lass/1systems/mors.nix
@@ -210,6 +210,11 @@
       device = "/dev/big/public";
       fsType = "ext4";
     };
+
+    "/mnt/conf" = {
+      device = "/dev/big/conf";
+      fsType = "ext4";
+    };
   };
 
   services.udev.extraRules = ''