diff --git a/flake.nix b/flake.nix
index c004593..1288755 100644
--- a/flake.nix
+++ b/flake.nix
@@ -88,7 +88,7 @@
             };
 
             config = mkIf cfg.enable {
-              nix.overlay = self.overlay;
+              nixpkgs.overlays = [ self.overlay ];
 
               users.users.printerfacts = {
                 createHome = true;