diff --git a/nixos/modules/config/resolvconf.nix b/nixos/modules/config/resolvconf.nix
index 3b8cc0cb8f42..4318dc8528a0 100644
--- a/nixos/modules/config/resolvconf.nix
+++ b/nixos/modules/config/resolvconf.nix
@@ -27,9 +27,7 @@ let
       resolv_conf_options='${concatStringsSep " " resolvconfOptions}'
     '' + optionalString cfg.useLocalResolver ''
       # This hosts runs a full-blown DNS resolver.
-      name_servers='127.0.0.1'
-    '' + optionalString (cfg.useLocalResolver && config.networking.enableIPv6) ''
-      name_servers='::1'
+      name_servers='127.0.0.1${optionalString config.networking.enableIPv6 " ::1"}'
     '' + cfg.extraConfig;
 
 in