diff --git a/profiles/xavier-nx-devkit-emmc.nix b/profiles/xavier-nx-devkit-emmc.nix
index c96c51ef..d8b9c1fe 100644
--- a/profiles/xavier-nx-devkit-emmc.nix
+++ b/profiles/xavier-nx-devkit-emmc.nix
@@ -5,6 +5,6 @@
   imports = [ ./xavier-nx.nix ];
 
   config = lib.mkIf config.hardware.nvidia-jetpack.enable {
-    services.nvfancontrol.enable = mkDefault true;
+    services.nvfancontrol.enable = lib.mkDefault true;
   };
 }