diff --git a/modules/system/defaults/smb.nix b/modules/system/defaults/smb.nix
index edc9d06d..0bc8be55 100644
--- a/modules/system/defaults/smb.nix
+++ b/modules/system/defaults/smb.nix
@@ -9,5 +9,11 @@ with lib;
       default = null;
       description = "Hostname to use for NetBIOS.";
     };
+
+    system.defaults.smb.ServerDescription = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = "Hostname to use for sharing services.";
+    };
   };
 }