diff --git a/home/.config/helix/languages.toml b/home/.config/helix/languages.toml
index 3befed1..81c2631 100644
--- a/home/.config/helix/languages.toml
+++ b/home/.config/helix/languages.toml
@@ -44,6 +44,8 @@ source = { git = "https://github.com/treeman/tree-sitter-djot", rev = "master" }
 [[language]]
 name = "nix"
 formatter = { command = "nixfmt" }
+auto-format = true
+language-servers = [ "nixd" ]
 
 [[language]]
 name = "java"