diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6e92f57
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+tags
diff --git a/config.inc.php b/config.inc.php
index 4dfd4c4..a393b6f 100644
--- a/config.inc.php
+++ b/config.inc.php
@@ -242,7 +242,7 @@ function _config_unpack_payload($format, $payload)
   return config_msgpack_unpack($msg_packed);
 }
 
-function config_make_standalone_ext_bundle(array $configs, $file_path)
+function config_make_standalone_ext_bundle(array $configs, $file_path, $use_lz4 = true)
 {
   $cache_entries = array();
   foreach($configs as $conf)
@@ -261,7 +261,7 @@ function config_make_standalone_ext_bundle(array $configs, $file_path)
     $cache_entries[] = $entry;
   }
 
-  $packed_data = config_pack_bundle($cache_entries, get('USE_LZ4_CONFIGS'));
+  $packed_data = config_pack_bundle($cache_entries, $use_lz4);
 
   ensure_write($file_path, $packed_data);
 }