diff --git a/lib/js/thrift.js b/lib/js/thrift.js
index b70986f..5e9c89e 100644
--- a/lib/js/thrift.js
+++ b/lib/js/thrift.js
@@ -577,7 +577,7 @@
         
         
         this.rpos.push(this.rstack.length);
-        this.rstack.push(list.shift())
+        this.rstack.push(list)
         
         
         return r;