diff --git a/flake.nix b/flake.nix
index 69176f6..1b6b89f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -48,6 +48,7 @@
   } @ inputs: {
     # https://kamadorueda.com/alejandra/
     formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.alejandra;
+    formatter.aarch64-linux = nixpkgs.legacyPackages.aarch64-linux.alejandra;
 
     nixosConfigurations = {
       # Hetzner VPS