diff --git a/ops/nixos/etheroute-lon01/default.nix b/ops/nixos/etheroute-lon01/default.nix
index 82dfb309ef..3387f2d289 100644
--- a/ops/nixos/etheroute-lon01/default.nix
+++ b/ops/nixos/etheroute-lon01/default.nix
@@ -288,6 +288,7 @@
     settings = {
       address = ":443";
       http_redirect_addr = ":80";
+      dns_lookup_family = "AUTO";
 
       idp_provider = "google";
       idp_client_id = "136257844546-qsa6hi1oqqoq2bnt93deo4e70ggbn1p8.apps.googleusercontent.com";