diff --git a/modules/emulation.nix b/modules/emulation.nix
new file mode 100644
index 0000000..3b16767
--- /dev/null
+++ b/modules/emulation.nix
@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+{
+  # Required to build an aarch64 installation ISO on x86.
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
+  # To check if binfmt is enabled:
+  #    ls  /proc/sys/fs/binfmt_misc/
+  #    cat /proc/sys/fs/binfmt_misc/aarch64-linux
+}