diff --git a/config/hosts/seras/configuration.nix b/config/hosts/seras/configuration.nix
index 9d0191b..97e8f90 100644
--- a/config/hosts/seras/configuration.nix
+++ b/config/hosts/seras/configuration.nix
@@ -9,7 +9,7 @@
     ../../services/attic.nix
     ../../services/hydra.nix
   ];
-  boot.binfmt.emulatedSystems = ["aarch64-linux"];
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
 
   networking = {
     hostName = "seras";
diff --git a/flake.nix b/flake.nix
index 9652f6a..e688889 100644
--- a/flake.nix
+++ b/flake.nix
@@ -100,7 +100,7 @@
       inherit (self) packages images;
       nixosConfigurations = shinyflakes.mapHydraHosts self.nixosConfigurations;
     };
-  } // flake-utils.lib.eachDefaultSystem (system: let
+  } // flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (system: let
     pkgs = import nixpkgs {
       inherit system;
       overlays = [ self.overlays.kyouma ];