diff --git a/pkgs/by-name/li/libaccounts-glib/package.nix b/pkgs/by-name/li/libaccounts-glib/package.nix
index 02dfa6431f80..998f305c801f 100644
--- a/pkgs/by-name/li/libaccounts-glib/package.nix
+++ b/pkgs/by-name/li/libaccounts-glib/package.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation (finalAttrs: {
       --replace "subdir('tests')" ""
   '';
 
-  LC_ALL = "en_US.UTF-8";
+  env.LC_ALL = "en_US.UTF-8";
 
   mesonFlags = [
     "-Dinstall-py-overrides=true"