From ba53392bcebba6b111def822045e09d6aa775845 Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Fri, 31 Oct 2014 16:49:32 -0700
Subject: [PATCH] nixos/nat: Fix override so that sysctls are properly
 preserved

---
 nixos/modules/services/networking/nat.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nixos/modules/services/networking/nat.nix b/nixos/modules/services/networking/nat.nix
index bdb79ce2a901..9d163e60d5ea 100644
--- a/nixos/modules/services/networking/nat.nix
+++ b/nixos/modules/services/networking/nat.nix
@@ -157,9 +157,9 @@ in
 
     boot = {
       kernelModules = [ "nf_nat_ftp" ];
-      kernel.sysctl = mkOverride 99 {
-        "net.ipv4.conf.all.forwarding" = true;
-        "net.ipv4.conf.default.forwarding" = true;
+      kernel.sysctl = {
+        "net.ipv4.conf.all.forwarding" = mkOverride 99 true;
+        "net.ipv4.conf.default.forwarding" = mkOverride 99 true;
       };
     };