diff --git a/nixos/hosts/ingress-proxy/default.nix b/nixos/hosts/ingress-proxy/default.nix
index 7475656..28dc8ba 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 = {