diff --git a/include/Utils/FPoint.hpp b/include/Utils/FPoint.hpp
index ae3d9e92ebbad9cf98538443c70202afccd31c7e..3ce270f2b4cebf5e22da3f1ba01920764efa5000 100644
--- a/include/Utils/FPoint.hpp
+++ b/include/Utils/FPoint.hpp
@@ -6,6 +6,7 @@
 #include <array>
 #include <iterator>
 #include <ostream>
+#include <istream>
 
 #include "FMath.hpp"
 #include "FConstFuncs.hpp"