diff --git a/modules/core/vhost.nix b/modules/core/vhost.nix
index 1de5305..ab59695 100644
--- a/modules/core/vhost.nix
+++ b/modules/core/vhost.nix
@@ -121,10 +121,11 @@ in
       })
       cfg.hosts;
 
-    networking.extraHosts = concatMapStringsSep "\n"
-      (domain:
-        mkIf cfg.hosts.${domain}.resolveLocally "127.0.0.1 ${domain}"
+    networking.extraHosts = lib.flatten (lib.mapAttrsToList
+      (domain: hostConf:
+        lib.optionals hostConf.resolveLocally "127.0.0.1 ${domain}"
       )
-      (lib.attrNames cfg.hosts);
+      cfg.hosts
+    );
   };
 }