diff --git a/nix/pkgs/default.nix b/nix/pkgs/default.nix
index fb1663c19cba..527009f07610 100644
--- a/nix/pkgs/default.nix
+++ b/nix/pkgs/default.nix
@@ -20,9 +20,10 @@ stdenv.mkDerivation {
   makeFlags = [
     "VERSION=${version}"
     "MTIME=${self.lastModifiedDate}"
-    "NO_PYTHON=1"
   ];
 
+  env.PYTHON = "${py3}/bin/python3";
+
   # when building on darwin we need cctools to provide the correct libtool
   # as libwally-core detects the host as darwin and tries to add the -static
   # option to libtool, also we have to add the modified gsed package.