diff --git a/lib/response.js b/lib/response.js
index 7535d2660..74d71d523 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -58,7 +58,8 @@ function responseError (res, code, detail, msg) {
     title: code + ' ' + detail + ' ' + msg,
     code: code,
     detail: detail,
-    msg: msg
+    msg: msg,
+    opengraph: []
   })
 }