Linux Ubuntu 18.04 missing header

diff --git a/NativeProcedures.hpp b/NativeProcedures.hpp
index d9a8edf..e40374d 100644
--- a/NativeProcedures.hpp
+++ b/NativeProcedures.hpp
@@ -12,7 +12,7 @@
 #include "SList.hpp"
 #include "stdlib.h"
 #include "math.h"
-
+#include <limits>
 //primitives
 SList add (const SLists& arg);
 SList subtract (const SLists& arg);