diff --git a/lib/request.js b/lib/request.js
index cb7dcda..3e0956a 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -154,6 +154,7 @@ module.exports = {
    */
 
   get querystring() {
+    if (!this.req) return '';
     return parse(this.req).query || '';
   },