diff --git a/index.js b/index.js
index f2d5ed43cc..abee2973b7 100644
--- a/index.js
+++ b/index.js
@@ -610,7 +610,7 @@ function try_callback(callback, reply) {
 function reply_to_object(reply) {
     var obj = {}, j, jl, key, val;
 
-    if (reply.length === 0) {
+    if (reply.length === 0 || !Array.isArray(reply)) {
         return null;
     }