diff --git a/pkgs/development/node-packages/generate.sh b/pkgs/development/node-packages/generate.sh
index 66a51721ac81..d25671b1a6df 100755
--- a/pkgs/development/node-packages/generate.sh
+++ b/pkgs/development/node-packages/generate.sh
@@ -1,11 +1,11 @@
-#!/usr/bin/env nix-shell
-#! nix-shell -p nodePackages.node2nix -i bash
+#!/usr/bin/env bash
 set -eu -o pipefail
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+node2nix=$(nix-build ../../.. --no-out-link -A nodePackages.node2nix)
 
 cd ${DIR}
 rm -f ./node-env.nix
 for version in 10 12 13; do
-  node2nix --nodejs-$version -i node-packages-v$version.json -o node-packages-v$version.nix -c composition-v$version.nix
+  "${node2nix}/bin/node2nix" --nodejs-$version -i node-packages-v$version.json -o node-packages-v$version.nix -c composition-v$version.nix
 done