diff --git a/lib/request.js b/lib/request.js
index 8e82398..29a9b64 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -381,7 +381,7 @@ module.exports = {
     var proxy = this.app.proxy;
     var val = this.get('X-Forwarded-For');
     return proxy && val
-      ? val.split(/ *, */)
+      ? val.split(/\s*,\s*/)
       : [];
   },