diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index cd5f777..f70c691 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -128,6 +128,21 @@
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = "24.05";
 
+   # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
 
   hardware.opengl = {
     enable = true;