diff --git a/machine/not522/default.nix b/machine/not522/default.nix
index d1a91efe..ea3af0f9 100644
--- a/machine/not522/default.nix
+++ b/machine/not522/default.nix
@@ -14,5 +14,8 @@
   ];
   system.stateVersion = "24.11";
   nixpkgs.config.allowUnsupportedSystem = true;
-  nix.settings.system-features = [ "native-riscv" ];
+  nix.settings.system-features = [
+    "native-riscv"
+    "big-parallel"
+  ];
 }