diff --git a/maintainers/scripts/check-hydra-by-maintainer.nix b/maintainers/scripts/check-hydra-by-maintainer.nix
index 326aae47f8c5..1062230a53c9 100644
--- a/maintainers/scripts/check-hydra-by-maintainer.nix
+++ b/maintainers/scripts/check-hydra-by-maintainer.nix
@@ -1,6 +1,8 @@
 { maintainer }:
 let
-  pkgs = import ./../../default.nix { };
+  pkgs = import ./../../default.nix {
+    config.allowAliases = false;
+  };
   maintainer_ = pkgs.lib.maintainers.${maintainer};
   packagesWith = cond: return: prefix: set:
     (pkgs.lib.flatten