diff --git a/nixos/hosts/ingress-proxy/default.nix b/nixos/hosts/ingress-proxy/default.nix
index 046a9a1..b6fa5d6 100644
--- a/nixos/hosts/ingress-proxy/default.nix
+++ b/nixos/hosts/ingress-proxy/default.nix
@@ -19,7 +19,7 @@ in {
     recommendedTlsSettings = true;
     
     upstreams = {
-      mango.servers = [ (tsHost "mango" 6167) ];
+      mango.servers."${tsHost "mango" 6167}" = {};
     };
 
     virtualHosts = {