diff --git a/library/PolyVoxCore/source/SurfaceMesh.cpp b/library/PolyVoxCore/source/SurfaceMesh.cpp
index be5d1a8d..ac8b7559 100644
--- a/library/PolyVoxCore/source/SurfaceMesh.cpp
+++ b/library/PolyVoxCore/source/SurfaceMesh.cpp
@@ -27,6 +27,7 @@ freely, subject to the following restrictions:
 
 #include <cstdlib>
 #include <list>
+#include <algorithm>
 
 using namespace std;