diff --git a/lib/request.js b/lib/request.js
index 23ed3f2..25bf373 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -309,7 +309,7 @@ module.exports = {
 
     // 2xx or 304 as per rfc2616 14.26
     if ((s >= 200 && s < 300) || 304 == s) {
-      return fresh(this.header, this.ctx.response.header);
+      return fresh(this.header, this.response.header);
     }
 
     return false;