diff --git a/src/Nitwork/ANitwork.cpp b/src/Nitwork/ANitwork.cpp
index 8e05a10d..635315c4 100644
--- a/src/Nitwork/ANitwork.cpp
+++ b/src/Nitwork/ANitwork.cpp
@@ -5,6 +5,7 @@
 ** ANitwork
 */
 
+#include <algorithm>
 #include "ANitwork.hpp"
 
 namespace Nitwork {