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Diffstat (limited to 'nixpkgs/nixos/modules/config/i18n.nix')
-rw-r--r--nixpkgs/nixos/modules/config/i18n.nix3
1 files changed, 2 insertions, 1 deletions
diff --git a/nixpkgs/nixos/modules/config/i18n.nix b/nixpkgs/nixos/modules/config/i18n.nix
index cc2ddda9d32f..feb76581a720 100644
--- a/nixpkgs/nixos/modules/config/i18n.nix
+++ b/nixpkgs/nixos/modules/config/i18n.nix
@@ -68,7 +68,8 @@ with lib;
   config = {
 
     environment.systemPackages =
-      optional (config.i18n.supportedLocales != []) config.i18n.glibcLocales;
+      # We increase the priority a little, so that plain glibc in systemPackages can't win.
+      optional (config.i18n.supportedLocales != []) (lib.setPrio (-1) config.i18n.glibcLocales);
 
     environment.sessionVariables =
       { LANG = config.i18n.defaultLocale;