diff --git a/Installation-instructions.md b/Installation-instructions.md
index 3dfea34..7c4b25b 100644
--- a/Installation-instructions.md
+++ b/Installation-instructions.md
@@ -191,7 +191,7 @@ Information how to install the Nextcloud App for Snappymail can be found here ht
 The app itself can also be found in the Nextcloud App Directory at https://apps.nextcloud.com/apps/snappymail .
 
 ## NixOS
-https://github.com/NixOS/nixpkgs/tree/master/pkgs/servers/snappymail
+https://github.com/NixOS/nixpkgs/blob/master/pkgs/by-name/sn/snappymail
 
 ## YunoHost