diff --git a/example/safe_format.hpp b/example/safe_format.hpp
index 8c218a5..a8605e7 100644
--- a/example/safe_format.hpp
+++ b/example/safe_format.hpp
@@ -15,6 +15,7 @@
 
 #include <ostream>
 #include <typeinfo>
+#include <limits>
 
 #include <boost/core/demangle.hpp>
 #include <boost/safe_numerics/safe_common.hpp>