diff --git a/checks.nix b/checks.nix
index 77c0c15..71976c9 100644
--- a/checks.nix
+++ b/checks.nix
@@ -6,7 +6,7 @@
 }:
 flake-utils.lib.eachDefaultSystem (system: {
   checks.pre-commit-check = git-hooks.lib.${system}.run {
-    src = ./.; # TODO: self?
+    src = self;
     hooks.treefmt = {
       enable = true;
       package = self.packages.${system}.formatter;