diff --git a/hosts/hydra/default.nix b/hosts/hydra/default.nix
index ed6df9fd..b8e0dd05 100644
--- a/hosts/hydra/default.nix
+++ b/hosts/hydra/default.nix
@@ -65,7 +65,7 @@ in
       }
       {
         hostName = "gallium.supersandro.de";
-        maxJobs = "4";
+        maxJobs = 4;
         speedFactor = 10;
         sshUser = config.nix.remoteBuilder.name;
         # kvm is not supported because /dev/kvm does not exist