diff --git a/pkgs/xo-ordinaltree.nix b/pkgs/xo-ordinaltree.nix
index 769b8806..b6045eea 100644
--- a/pkgs/xo-ordinaltree.nix
+++ b/pkgs/xo-ordinaltree.nix
@@ -17,6 +17,7 @@ stdenv.mkDerivation (finalattrs:
     src = ../xo-ordinaltree;
 
     cmakeFlags = ["-DCMAKE_MODULE_PATH=${xo-cmake}/share/cmake"];
+
     doCheck = true;
     nativeBuildInputs = [
       cmake catch2 xo-cmake