diff --git a/boost/property_tree/detail/ptree_utils.hpp b/boost/property_tree/detail/ptree_utils.hpp
index 3d02a97..38aa2f4 100644
--- a/boost/property_tree/detail/ptree_utils.hpp
+++ b/boost/property_tree/detail/ptree_utils.hpp
@@ -13,6 +13,7 @@
 #include <string>
 #include <algorithm>
 #include <locale>
+#include <limits>
 
 namespace boost { namespace property_tree { namespace detail
 {