diff --git a/flake.nix b/flake.nix
index a712b3e..accdcbb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,8 +3,9 @@
   outputs = { self, ... }: {
     overlays.default = final: prev: {
       glibcLocales = prev.glibcLocales.overrideAttrs (base: {
+        nativeBuildInputs = base.nativeBuildInputs or [ ] ++ [ self.outPath ];
         postPatch = base.postPatch + ''
-          cp ${prev.lib.escapeShellArg ./en_EU} localedata/locales/en_EU
+          ln -s ${./en_EU} localedata/locales/en_EU
           echo 'en_EU.UTF-8/UTF-8 \' >>localedata/SUPPORTED
         '';
       });