diff --git a/hydra.nix b/hydra.nix
index b3121b9..43a67f5 100644
--- a/hydra.nix
+++ b/hydra.nix
@@ -6,4 +6,5 @@ let
 in
 {
   hosts = mapAttrs getCfg outputs.nixosConfigurations;
+  formatter = outputs.formatter;
 }