diff --git a/nixos/modules/hardware/video/nvidia.nix b/nixos/modules/hardware/video/nvidia.nix
index 8f1e2671ece0..b680c3c1ccb5 100644
--- a/nixos/modules/hardware/video/nvidia.nix
+++ b/nixos/modules/hardware/video/nvidia.nix
@@ -102,7 +102,7 @@ in
     assertions = [
       {
         assertion = with config.services.xserver.displayManager; gdm.enable -> !gdm.wayland;
-        message = "NVIDIA drivers don't support wayland";
+        message = "NVIDIA drivers don't support wayland, set services.xserver.displayManager.gdm.wayland=false";
       }
       {
         assertion = !optimusCfg.enable ||