diff --git a/hosts/glyph/default.nix b/hosts/glyph/default.nix
index 4a078a3c..f1f2d9bc 100644
--- a/hosts/glyph/default.nix
+++ b/hosts/glyph/default.nix
@@ -30,6 +30,10 @@
     device = "zdata/unsorted";
     fsType = "zfs";
   };
+  fileSystems."/mnt/backup" = {
+    device = "zdata/backup";
+    fsType = "zfs";
+  };
 
   networking.hostName = "glyph";
   networking.hostId = "e7bdc076"; # Ensure correct ZFS pool imported