diff --git a/default.nix b/default.nix
index 316d549..73e6e92 100644
--- a/default.nix
+++ b/default.nix
@@ -8,4 +8,5 @@ stdenv.mkDerivation {
   outputHashAlgo = "sha256";
   outputHashMode = "recursive";
   outputHash = "sha256-k46/umNJ9Q8FsZDCRvG/YmyU3IAkL5bzTvhWxdbNXso=";
+  dontUnpack = true;
 }