diff --git a/README.md b/README.md
index c6d8f8d..0f5b4f2 100644
--- a/README.md
+++ b/README.md
@@ -205,7 +205,7 @@ You can run the CLI tool ad-hoc without installing it:
 nix run github:ryantm/agenix -- --help
 ```
 
-But you can also add it permanently into a [NixOS module](https://nixos.wiki/wiki/NixOS_modules) 
+But you can also add it permanently into a [NixOS module](https://wiki.nixos.org/wiki/NixOS_modules)
 (replace system "x86_64-linux" with your system):
 
 ```nix