diff --git a/modules/buffer.nix b/modules/buffer.nix
index e03efa1..b50e5f5 100644
--- a/modules/buffer.nix
+++ b/modules/buffer.nix
@@ -9,7 +9,7 @@ let
         type = types.extCommas;
         description = "File types for which the buffer is enabled";
       };
-      opt = options.buffer;
+      opt = options.buffer // options.window;
     };
     config = {
       filetypes = lib.mkDefault name;