diff --git a/nix/nixos-module/container/upstream.nix b/nix/nixos-module/container/upstream.nix
index 9a8ca86..e35ac4d 100644
--- a/nix/nixos-module/container/upstream.nix
+++ b/nix/nixos-module/container/upstream.nix
@@ -82,7 +82,7 @@ in
       '') (builtins.attrNames upstreamInterfaces);
 
     forwardPorts = map ({ destination, sourcePort, reflect, ... }@forwardedPort:
-      forwardedPort // {
+      removeAttrs forwardedPort ["reflect"] // {
         destination =
           if builtins.match ".*:.*" destination != null
           then destination