diff --git a/configuration.nix b/configuration.nix
index 41b6d41..596b0b5 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -68,7 +68,7 @@
       LANG = "en_US.UTF-8";
       LC_ADDRESS = "de_DE.UTF-8";
       LC_COLLATE = "de_DE.UTF-8";
-      LC_CTYPE = "de_DE.UTF-8";
+      LC_CTYPE = "en_US.UTF-8";
       LC_IDENTIFICATION = "de_DE.UTF-8";
       LC_MEASUREMENT = "de_DE.UTF-8";
       LC_MESSAGES = "en_US.UTF-8";