diff --git a/nixos/modules/config/i18n.nix b/nixos/modules/config/i18n.nix
index 46b22fc12854..6bf8c653e113 100644
--- a/nixos/modules/config/i18n.nix
+++ b/nixos/modules/config/i18n.nix
@@ -10,7 +10,7 @@ with lib;
     i18n = {
       glibcLocales = mkOption {
         type = types.path;
-        default = pkgs.glibcLocales.override {
+        default = pkgs.buildPackages.glibcLocales.override {
           allLocales = any (x: x == "all") config.i18n.supportedLocales;
           locales = config.i18n.supportedLocales;
         };