diff --git a/lib/appenders/index.js b/lib/appenders/index.js
index 88fca4c..596ee70 100644
--- a/lib/appenders/index.js
+++ b/lib/appenders/index.js
@@ -16,6 +16,7 @@ coreAppenders.set('categoryFilter', require('./categoryFilter'));
 coreAppenders.set('noLogFilter', require('./noLogFilter'));
 coreAppenders.set('file', require('./file'));
 coreAppenders.set('dateFile', require('./dateFile'));
+coreAppenders.set('fileSync', require('./fileSync'));
 
 const appenders = new Map();