diff --git a/daily-rotate-file.js b/daily-rotate-file.js
index 62a6b93..19adc62 100644
--- a/daily-rotate-file.js
+++ b/daily-rotate-file.js
@@ -92,7 +92,7 @@ var DailyRotateFile = function (options) {
             create_symlink: options.createSymlink ? options.createSymlink : false,
             symlink_name: options.symlinkName ? options.symlinkName : 'current.log',
             watch_log: options.watchLog ? options.watchLog : false,
-            audit_hash_type: options.auditHashType || 'sha256'
+            audit_hash_type: options.auditHashType ? options.auditHashType  : 'sha256'
         });
 
         this.logStream.on('new', function (newFile) {