diff --git a/lib/utilities.js b/lib/utilities.js
index e66ad48..f4bfc10 100644
--- a/lib/utilities.js
+++ b/lib/utilities.js
@@ -1,6 +1,7 @@
 'use strict';
 
 var _ = require('lodash'),
+    Int64 = require('node-int64'),
 
     constants = require('./constants'),
     errors = require('./errors'),
@@ -202,6 +203,7 @@ utilities.deepCopy = deepMerge;
 function coerce(val, T) {
   if (val === null || val === undefined) return null;
   if (val instanceof T) return val;
+  if (val instanceof Int64 && T === Buffer) return val.toBuffer();
 
   if (val instanceof Array) {
     // Is there really no way to bind the second argument to a fn?