diff --git a/hosts/default/configuration.nix b/hosts/default/configuration.nix
index fbe18db..ddff8ba 100644
--- a/hosts/default/configuration.nix
+++ b/hosts/default/configuration.nix
@@ -63,8 +63,16 @@
       # auto optimise every so often
       # auto-optimise-store = true;
       experimental-features = [ "nix-command" "flakes" ];
-      substituters = [ "https://hyprland.cachix.org" "https://cache.iog.io" "https://cuda-maintainers.cachix.org" ];
-      trusted-public-keys = [ "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=" "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E=" ];
+      substituters = [
+        "https://hyprland.cachix.org"
+        "https://cache.iog.io"
+        "https://cuda-maintainers.cachix.org"
+      ];
+      trusted-public-keys = [
+        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+        "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+        "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
+      ];
     };
     optimise.automatic = true;
     gc = {