diff --git a/hosts/common.nix b/hosts/common.nix
index 41c0ba1..0cf2e5f 100644
--- a/hosts/common.nix
+++ b/hosts/common.nix
@@ -22,17 +22,21 @@
 
   time.timeZone = "Europe/Berlin";
   i18n.defaultLocale = "en_US.UTF-8";
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "de_DE.UTF-8";
-    LC_IDENTIFICATION = "de_DE.UTF-8";
-    LC_MEASUREMENT = "de_DE.UTF-8";
-    LC_MONETARY = "de_DE.UTF-8";
-    LC_NAME = "de_DE.UTF-8";
-    LC_NUMERIC = "de_DE.UTF-8";
-    LC_PAPER = "de_DE.UTF-8";
-    LC_TELEPHONE = "de_DE.UTF-8";
-    LC_TIME = "de_DE.UTF-8";
-  };
+  i18n.extraLocaleSettings =
+    let
+      de = "de_DE.UTF-8";
+    in
+    {
+      LC_ADDRESS = de;
+      LC_IDENTIFICATION = de;
+      LC_MEASUREMENT = de;
+      LC_MONETARY = de;
+      LC_NAME = de;
+      LC_NUMERIC = de;
+      LC_PAPER = de;
+      LC_TELEPHONE = de;
+      LC_TIME = de;
+    };
 
   console.keyMap = "de-latin1-nodeadkeys";