diff --git a/flake.nix b/flake.nix
index 9402b93..aa5e108 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,6 +2,6 @@
   description = "Nix tools to help you build portable services";
 
   outputs = { self }: {
-    overlay = final: prev: prev.callPackage ./. { };
+    overlay = final: prev: prev.pkgs.callPackage ./. { };
   };
 }