From d4bdf302a3c6b9c7e00b14e3ae21597fad6d17d8 Mon Sep 17 00:00:00 2001
From: Cray Elliott <MP2E@archlinux.us>
Date: Thu, 28 Sep 2017 13:11:16 -0700
Subject: [PATCH] nvidia-x11: fix eval error from 4ef82339c9

---
 nixos/modules/hardware/video/nvidia.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/hardware/video/nvidia.nix b/nixos/modules/hardware/video/nvidia.nix
index 52f1773e9c45..50c085dd7ee2 100644
--- a/nixos/modules/hardware/video/nvidia.nix
+++ b/nixos/modules/hardware/video/nvidia.nix
@@ -42,7 +42,7 @@ in
   config = mkIf enabled {
     assertions = [
       {
-        assertion = services.xserver.displayManager.gdm.wayland;
+        assertion = config.services.xserver.displayManager.gdm.wayland;
         message = "NVidia drivers don't support wayland";
       }
     ];