diff --git a/dotfiles/kakoune.nix b/dotfiles/kakoune.nix
index b14ca73..ebd6db8 100644
--- a/dotfiles/kakoune.nix
+++ b/dotfiles/kakoune.nix
@@ -69,7 +69,7 @@ in {
           option = ".*";
         }
         {
-          commands = "mkdir-buffer";
+          commands = "mkdir-buffer %val{bufname}";
           name = "BufWritePre";
           option = ".*";
         }