diff --git a/buildbot_nix/buildbot_nix.py b/buildbot_nix/buildbot_nix.py
index 1afdde0..9fa56ae 100644
--- a/buildbot_nix/buildbot_nix.py
+++ b/buildbot_nix/buildbot_nix.py
@@ -433,13 +433,7 @@ def nix_eval_config(
             name="evaluate flake",
             supported_systems=supported_systems,
             command=[
-                "nix",
-                "run",
-                "--option",
-                "accept-flake-config",
-                "true",
-                "github:nix-community/nix-eval-jobs",
-                "--",
+                "nix-eval-jobs",
                 "--workers",
                 multiprocessing.cpu_count(),
                 "--max-memory-size",
diff --git a/nix/worker.nix b/nix/worker.nix
index 57b7e6e..8f968f0 100644
--- a/nix/worker.nix
+++ b/nix/worker.nix
@@ -53,6 +53,7 @@ in
         pkgs.openssh
         pkgs.gh
         pkgs.nix
+        pkgs.nix-eval-jobs
       ];
       environment.PYTHONPATH = "${python.withPackages (_: [cfg.package])}/${python.sitePackages}";
       environment.MASTER_URL = ''tcp:host=localhost:port=9989'';