diff --git a/lib/decode.js b/lib/decode.js
index 5692c76..3f825cf 100644
--- a/lib/decode.js
+++ b/lib/decode.js
@@ -255,10 +255,12 @@ Decoder.prototype.parse = function () {
   throw new Error('Could not parse');
 };
 
-function decode(buffer) {
+function decode(buffer, tailHolder) {
   const decoder = new Decoder(buffer);
   const value = decoder.parse();
-  if (decoder.offset !== buffer.length) {
+  if(tailHolder) {
+    tailHolder.tail = (buffer.length - decoder.offset);
+  } else if (decoder.offset !== buffer.length) {
     throw new Error((buffer.length - decoder.offset) + ' trailing bytes');
   }
   return value;