diff --git a/flake.nix b/flake.nix
index 089898b..d06ecc5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -48,6 +48,7 @@
 
         installPhase = ''
           runHook preInstall
+          ls -la
           mkdir -p $out/bin
           cp ${fhsEnv}/bin/${pname}-fhs-env $out/bin/simintech
           runHook postInstall