1 files changed, 3 insertions, 1 deletions
diff --git a/Swiften/Base/Concat.h b/Swiften/Base/Concat.h
index 97b04f2..1d158d5 100644
--- a/Swiften/Base/Concat.h
+++ b/Swiften/Base/Concat.h
@@ -1,14 +1,16 @@
 /*
- * Copyright (c) 2011 Isode Limited.
+ * Copyright (c) 2011-2015 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
+#include <algorithm>
+
 namespace Swift {
 	template<typename C>
 	C concat(const C& c1, const C& c2) {
 		C result;
 		result.resize(c1.size() + c2.size());
 		std::copy(c2.begin(), c2.end(), std::copy(c1.begin(), c1.end(), result.begin()));