diff --git a/configs/helix.nix b/configs/helix.nix
index a2298a1..79e2622 100644
--- a/configs/helix.nix
+++ b/configs/helix.nix
@@ -1,9 +1,12 @@
-{ pkgs, writeTextFile, ... }:
+{ pkgs, ... }:
 
 let
-  helixConfig = writeTextFile {
-    name = "helix/config.toml";
-    text = builtins.readFile ./helix.toml;
+  tomlFmt = pkgs.formats.toml {};
+  helixConfig = tomlFmt.generate "helix-config.toml" {
+    theme = "acme";
+    editor = {
+      mouse = false;
+    };
   };
   helixBin = "${pkgs.helix}/bin/hx";
 in pkgs.writeScriptBin "hx" ''
diff --git a/configs/helix.toml b/configs/helix.toml
deleted file mode 100644
index 1628bc0..0000000
--- a/configs/helix.toml
+++ /dev/null
@@ -1,4 +0,0 @@
-theme = "acme"
-
-[editor]
-mouse = false