diff --git a/package.nix b/package.nix
index 4762b4c..1eeef81 100644
--- a/package.nix
+++ b/package.nix
@@ -21,7 +21,7 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [ nix-eval-jobs ];
 
-  NIX_EVAL_JOBS = "${nix-eval-jobs}/bin/nix-eval-jobs";
+  env.NIX_EVAL_JOBS = lib.getExe nix-eval-jobs;
 
   preBuild = ''
     if [[ -z "$NIX_EVAL_JOBS" ]]; then