diff --git a/flake/checks.nix b/flake/checks.nix
index 6bc2bda..0bd765e 100644
--- a/flake/checks.nix
+++ b/flake/checks.nix
@@ -13,6 +13,11 @@
           deadnix --fail ${self}
           mkdir $out
         '';
+
+        flake-checker = pkgs.runCommandLocal "flake-checker" { buildInputs = [ pkgs.flake-checker ]; } ''
+          flake-checker --fail-mode
+          mkdir $out
+        '';
       };
     };