diff --git a/pkgs/by-name/nu/nushell-plugin-bson/package.nix b/pkgs/by-name/nu/nushell-plugin-bson/package.nix
index d0208edde789..df0ab8b9d969 100644
--- a/pkgs/by-name/nu/nushell-plugin-bson/package.nix
+++ b/pkgs/by-name/nu/nushell-plugin-bson/package.nix
@@ -23,7 +23,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
     llvmPackages.libclang
   ];
 
-  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+  env.LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
 
   passthru.update-script = nix-update-script { };
   meta = {