1 files changed, 1 insertions, 0 deletions
diff --git a/lib/config.js b/lib/config.js
index af4c22cd..2ecb4783 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -1,3 +1,4 @@
+'use strict'
 // external modules
 var fs = require('fs')
 var path = require('path')