diff --git a/hydra/jobs.nix b/hydra/jobs.nix
index 87bfb56..66470c4 100644
--- a/hydra/jobs.nix
+++ b/hydra/jobs.nix
@@ -1,6 +1,6 @@
 { inputs, outputs }:
 let
-  inherit (inputs.nixpkgs.lib) mapAttrs;
+  inherit (inputs.nixpkgs.lib) mapAttrsToList;
   pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
 
   getCfg = _: cfg: cfg.config.system.build.toplevel;
@@ -9,6 +9,6 @@ in
   inherit (outputs) formatter devShells checks;
   hosts = pkgs.releaseTools.aggregate {
     name = "hosts";
-    constituents = mapAttrs getCfg outputs.nixosConfigurations;
+    constituents = mapAttrsToList getCfg outputs.nixosConfigurations;
   };
 }