diff --git a/pkgs/development/node-packages/generate.sh b/pkgs/development/node-packages/generate.sh
index dafbcb17f7e8..06c4c8213666 100755
--- a/pkgs/development/node-packages/generate.sh
+++ b/pkgs/development/node-packages/generate.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env nix-shell
-#! nix-shell -i bash -p nodePackages.node2nix
+#! nix-shell -I nixpkgs=../../.. -i bash -p nodePackages.node2nix
+# NOTE: Script must be run from the node-packages directory
 
 set -eu -o pipefail