diff --git a/include/chaiscript/dispatchkit/bootstrap.hpp b/include/chaiscript/dispatchkit/bootstrap.hpp
index 6897dd5..fe57d70 100644
--- a/include/chaiscript/dispatchkit/bootstrap.hpp
+++ b/include/chaiscript/dispatchkit/bootstrap.hpp
@@ -13,6 +13,7 @@
 #include "operators.hpp"
 #include "boxed_number.hpp"
 #include <boost/function_types/result_type.hpp>
+#include <sstream>
 
 namespace chaiscript 
 {