diff --git a/ApplicationCode/ReservoirDataModel/RigCellGeometryTools.cpp b/ApplicationCode/ReservoirDataModel/RigCellGeometryTools.cpp
index f8d72346f6..347d17a2e1 100644
--- a/ApplicationCode/ReservoirDataModel/RigCellGeometryTools.cpp
+++ b/ApplicationCode/ReservoirDataModel/RigCellGeometryTools.cpp
@@ -29,8 +29,9 @@
 
 #include "cvfMath.h"
 
-#include <vector>
+#include <algorithm>
 #include <array>
+#include <vector>
 
 //--------------------------------------------------------------------------------------------------
 /// Efficient Computation of Volume of Hexahedral Cells