diff --git a/flake.nix b/flake.nix
index 9b0ee3d..eee2f88 100644
--- a/flake.nix
+++ b/flake.nix
@@ -84,8 +84,8 @@
   };
 
   nixConfig.extra-substituters = [
+    "https://nix-community.cachix.org?priority=1" # less is more /shrug
     "https://cuda-maintainers.cachix.org"
-    "https://nix-community.cachix.org"
     "https://nixos-rocm.cachix.org"
     "https://nixpkgs-unfree.cachix.org"
     "https://numtide.cachix.org"
@@ -282,7 +282,7 @@
       bjarte      = mk "pbsds.net" "x86_64-linux"  inputs-2405 "24.05" [    ts  nixld intel hw.lenovo-thinkpad-x1-7th-gen ];
       bolle       = mk "pbsds.net" "x86_64-linux"  inputs-2405 "24.05" [ au     dns64 intel ];
       eple        = mk "pbsds.net" "x86_64-linux"  inputs-2405 "24.05" [ au tse dns64 intel rocm ];
-      garp        = mk "pbsds.net" "x86_64-linux"  inputs-2405 "24.05" [ au     dns64 intel-novga cuda ];
+      garp        = mk "pbsds.net" "x86_64-linux"  inputs-edge "24.05" [ au     dns64 intel-novga cuda ];
       hasselknippe= mk "pbsds.net" "aarch64-linux" inputs-2405 "24.05" [    ts  hw.pine64-pinebook-pro ];
       #gomperud smattkuken skrytebiffen skalkesnerken balleby bingus skjrlaltatjlstad
       #bergjlot snortheimsmoen ditlefsen skrukkerud podebusk zmaragd makrell alfnes blix urke pytte uddu imdorf rosenqvist
diff --git a/hardware/gpu/cuda.nix b/hardware/gpu/cuda.nix
index 3fcbdb2..557f3c5 100644
--- a/hardware/gpu/cuda.nix
+++ b/hardware/gpu/cuda.nix
@@ -22,6 +22,9 @@
     (lib.hasInfix "cublas"  (lib.toLower (lib.getName pkg)))
   ];
 
+  programs.nix-required-mounts.enable = true;
+  programs.nix-required-mounts.presets.nvidia-gpu.enable = true;
+
   # https://nixos.wiki/wiki/Nvidia
 
   hardware.opengl.extraPackages = [