1 files changed, 1 insertions, 1 deletions
diff --git a/README.md b/README.md
index 2f49627..e455456 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,9 @@ let
 
   source = lib.evalSource [{
     nixpkgs.git = {
+      clean.exclude = ["/.version-suffix"];
       ref = "4b4bbce199d3b3a8001ee93495604289b01aaad3";
       url = https://github.com/NixOS/nixpkgs;
-
     };
     nixos-config.file = toString (pkgs.writeText "nixos-config" ''
       { pkgs, ... }: {