diff --git a/nix/lib/config/options.nix b/nix/lib/config/options.nix
index 0e71334..f898135 100644
--- a/nix/lib/config/options.nix
+++ b/nix/lib/config/options.nix
@@ -170,7 +170,7 @@ let
         # isRouter = Part of the core network?
         default =
           config.site.hosts.${name}.interfaces ? core &&
-          config.site.net.core.hosts4 ? name;
+          config.site.net.core.hosts4 ? ${name};
         description = "Should this host route?";
       };
       forwardPorts = mkOption {