diff --git a/modules/locales.nix b/modules/locales.nix
index 91f7c3d..10d621f 100644
--- a/modules/locales.nix
+++ b/modules/locales.nix
@@ -1,7 +1,12 @@
 { ... }:
 
 {
-  i18n.defaultLocale = "en_GB.UTF-8";
+  i18n = {
+    defaultLocale = "en_GB.UTF-8";
+    extraLocaleSettings = {
+      LC_MONETARY = "de_DE.UTF-8";
+    };
+  };
   console.keyMap = "de";
 
   time.timeZone = "Europe/Berlin";