diff --git a/fragments/base.nix b/fragments/base.nix
index 7ba414d..46447b8 100644
--- a/fragments/base.nix
+++ b/fragments/base.nix
@@ -1,5 +1,13 @@
 { config, lib, pkgs, ...}:
 {
+  # locale settings
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+    extraLocaleSettings = {
+      LC_ALL = "en_US.UTF-8";
+    };
+  };
+
   # Enable flakes
   nix.settings.experimental-features = ["nix-command" "flakes" ];