diff --git a/flake.nix b/flake.nix
index ea1599e..ea00900 100644
--- a/flake.nix
+++ b/flake.nix
@@ -254,6 +254,7 @@
                 };
                 patches = [ ];
                 postPatch = ''
+                  ls
                   sed 's/Broadlink/ZHA/' codes/1964.json > codes/50.json
                 '';
               });