diff --git a/system/default.nix b/system/default.nix
index e6ed1969..7ca3c829 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -32,6 +32,7 @@
       substituters = [ "https://nix.xenia.me.uk" ];
       trusted-public-keys = [ "nix.xenia.me.uk:tlgwOaG5KMLjQUk2YaErS8mAG69ZCr3PaHXZYi+Y5eI=" ];
     };
+    nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
     channel.enable = true;
     gc = {
       automatic = true;