--- a/xpcom/io/SnappyUncompressInputStream.cpp
+++ b/xpcom/io/SnappyUncompressInputStream.cpp
@@ -1,16 +1,17 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "mozilla/SnappyUncompressInputStream.h"
 
+#include <algorithm>
 #include "nsIAsyncInputStream.h"
 #include "nsStreamUtils.h"
 #include "snappy/snappy.h"
 
 namespace mozilla {
 
 NS_IMPL_ISUPPORTS(SnappyUncompressInputStream,
                   nsIInputStream);